diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..15dce72
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,66 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "6 20 * * 6"
+
+jobs:
+  code-style:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: 3.1.0
+      - name: Gems cache
+        uses: actions/cache@v2
+        with:
+          path: ~/gems
+          key: gems-3.1.0-${{ hashFiles('*.gemspec', 'Gemfile') }}-${{ github.sha }}
+          restore-keys: |
+            gems-3.1.0-${{ hashFiles('*.gemspec', 'Gemfile') }}-
+            gems-3.1.0-
+      - name: Install dependencies
+        run: |
+          gem install bundler
+          bundle config path ~/gems
+          bundle install --jobs 4 --retry 3
+      - name: Check code style
+        run: bundle exec rake rubocop
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - "2.6.0"
+          - "2.6"
+          - "2.7.0"
+          - "2.7"
+          - "3.0.0"
+          - "3.0"
+          - jruby-9.3
+    steps:
+      - uses: actions/checkout@v1
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - name: Gems cache
+        uses: actions/cache@v2
+        with:
+          path: ~/gems
+          key: gems-${{ matrix.ruby }}-${{ hashFiles('*.gemspec', 'Gemfile') }}-${{ github.sha }}
+          restore-keys: |
+            gems-${{ matrix.ruby }}-${{ hashFiles('*.gemspec', 'Gemfile') }}-
+            gems-${{ matrix.ruby }}-
+      - name: Install dependencies
+        run: |
+          gem install bundler
+          bundle config path ~/gems
+          bundle install --jobs 4 --retry 3
+      - name: Run tests
+        run: bundle exec rake spec
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..94cdf4c
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,5 @@
+inherit_from: .rubocop_todo.yml
+
+inherit_gem:
+  prawn-dev: rubocop.yml
+
diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
new file mode 100644
index 0000000..09e219e
--- /dev/null
+++ b/.rubocop_todo.yml
@@ -0,0 +1,1003 @@
+# This configuration was generated by
+# `rubocop --auto-gen-config`
+# on 2022-02-08 19:46:35 UTC using RuboCop version 1.25.1.
+# The point is for the user to remove these configuration records
+# one by one as the offenses are removed from the code base.
+# Note that changes in the inspected code, or installation of new
+# versions of RuboCop, may require this file to be generated again.
+
+# Offense count: 4
+# Cop supports --auto-correct.
+# Configuration parameters: TreatCommentsAsGroupSeparators, ConsiderPunctuation, Include.
+# Include: **/*.gemspec
+Gemspec/OrderedDependencies:
+  Exclude:
+    - 'prawn-table.gemspec'
+
+# Offense count: 53
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, IndentationWidth.
+# SupportedStyles: with_first_argument, with_fixed_indentation
+Layout/ArgumentAlignment:
+  Enabled: false
+
+# Offense count: 11
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, IndentationWidth.
+# SupportedStyles: with_first_element, with_fixed_indentation
+Layout/ArrayAlignment:
+  Exclude:
+    - 'lib/prawn/table/cell/text.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyleAlignWith.
+# SupportedStylesAlignWith: either, start_of_block, start_of_line
+Layout/BlockAlignment:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 5
+# Cop supports --auto-correct.
+Layout/BlockEndNewline:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 20
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, IndentOneStep, IndentationWidth.
+# SupportedStyles: case, end
+Layout/CaseIndentation:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: leading, trailing
+Layout/DotPosition:
+  Exclude:
+    - 'lib/prawn/table/cell/text.rb'
+
+# Offense count: 4
+# Cop supports --auto-correct.
+Layout/EmptyLineAfterGuardClause:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 20
+# Cop supports --auto-correct.
+Layout/EmptyLineAfterMagicComment:
+  Enabled: false
+
+# Offense count: 11
+# Cop supports --auto-correct.
+Layout/EmptyLines:
+  Exclude:
+    - 'Rakefile'
+    - 'lib/prawn/table.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 18
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: empty_lines, no_empty_lines
+Layout/EmptyLinesAroundBlockBody:
+  Exclude:
+    - 'manual/contents.rb'
+    - 'manual/table/cell_borders_and_bg.rb'
+    - 'manual/table/table.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 20
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: empty_lines, empty_lines_except_namespace, empty_lines_special, no_empty_lines, beginning_only, ending_only
+Layout/EmptyLinesAroundClassBody:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cell/image.rb'
+    - 'lib/prawn/table/cell/in_table.rb'
+    - 'lib/prawn/table/cell/span_dummy.rb'
+    - 'lib/prawn/table/cell/subtable.rb'
+    - 'lib/prawn/table/cell/text.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 4
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: empty_lines, empty_lines_except_namespace, empty_lines_special, no_empty_lines
+Layout/EmptyLinesAroundModuleBody:
+  Exclude:
+    - 'lib/prawn/table/cell/in_table.rb'
+    - 'spec/cell_spec.rb'
+
+# Offense count: 4
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyleAlignWith, Severity.
+# SupportedStylesAlignWith: keyword, variable, start_of_line
+Layout/EndAlignment:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 46
+# Cop supports --auto-correct.
+# Configuration parameters: AllowForAlignment, AllowBeforeTrailingComments, ForceEqualSignAlignment.
+Layout/ExtraSpacing:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'manual/table/basic_block.rb'
+    - 'manual/table/before_rendering_page.rb'
+    - 'manual/table/cell_border_lines.rb'
+    - 'manual/table/image_cells.rb'
+    - 'prawn-table.gemspec'
+    - 'spec/table_spec.rb'
+
+# Offense count: 7
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, IndentationWidth.
+# SupportedStyles: special_inside_parentheses, consistent, align_brackets
+Layout/FirstArrayElementIndentation:
+  Exclude:
+    - 'spec/table/span_dummy_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 52
+# Cop supports --auto-correct.
+Layout/FirstArrayElementLineBreak:
+  Enabled: false
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, IndentationWidth.
+# SupportedStyles: special_inside_parentheses, consistent, align_braces
+Layout/FirstHashElementIndentation:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 6
+# Cop supports --auto-correct.
+Layout/FirstHashElementLineBreak:
+  Exclude:
+    - 'manual/table/cell_borders_and_bg.rb'
+    - 'manual/table/cell_text.rb'
+    - 'manual/table/image_cells.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 81
+# Cop supports --auto-correct.
+Layout/FirstMethodArgumentLineBreak:
+  Enabled: false
+
+# Offense count: 3
+# Cop supports --auto-correct.
+# Configuration parameters: AllowMultipleStyles, EnforcedHashRocketStyle, EnforcedColonStyle, EnforcedLastArgumentHashStyle.
+# SupportedHashRocketStyles: key, separator, table
+# SupportedColonStyles: key, separator, table
+# SupportedLastArgumentHashStyles: always_inspect, always_ignore, ignore_implicit, ignore_explicit
+Layout/HashAlignment:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+    - 'manual/table/image_cells.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: normal, indented_internal_methods
+Layout/IndentationConsistency:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+# Configuration parameters: Width, IgnoredPatterns.
+Layout/IndentationWidth:
+  Exclude:
+    - 'manual/table/cell_borders_and_bg.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 49
+# Cop supports --auto-correct.
+# Configuration parameters: AllowDoxygenCommentStyle, AllowGemfileRubyComment.
+Layout/LeadingCommentSpace:
+  Exclude:
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 8
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: symmetrical, new_line, same_line
+Layout/MultilineArrayBraceLayout:
+  Exclude:
+    - 'manual/table/cell_border_lines.rb'
+    - 'manual/table/cell_borders_and_bg.rb'
+    - 'manual/table/cell_dimensions.rb'
+    - 'manual/table/cell_text.rb'
+    - 'manual/table/filtering.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 29
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedTypes: block, case, class, if, kwbegin, module
+# SupportedStyles: same_line, new_line
+Layout/MultilineAssignmentLayout:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'manual/table/filtering.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 5
+# Cop supports --auto-correct.
+Layout/MultilineHashKeyLineBreaks:
+  Exclude:
+    - 'manual/table/cell_text.rb'
+    - 'manual/table/image_cells.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 21
+# Cop supports --auto-correct.
+Layout/MultilineMethodArgumentLineBreaks:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cell/text.rb'
+    - 'manual/contents.rb'
+    - 'manual/table/cell_border_lines.rb'
+    - 'manual/table/cell_text.rb'
+    - 'manual/table/image_cells.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/table/span_dummy_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 3
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: symmetrical, new_line, same_line
+Layout/MultilineMethodCallBraceLayout:
+  Exclude:
+    - 'lib/prawn/table/cell/image.rb'
+    - 'manual/table/table.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, IndentationWidth.
+# SupportedStyles: aligned, indented, indented_relative_to_receiver
+Layout/MultilineMethodCallIndentation:
+  Exclude:
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 25
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, IndentationWidth.
+# SupportedStyles: aligned, indented
+Layout/MultilineOperationIndentation:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'prawn-table.gemspec'
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 64
+# Cop supports --auto-correct.
+Layout/SpaceAfterComma:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+    - 'prawn-table.gemspec'
+    - 'spec/table/span_dummy_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 18
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: space, no_space
+Layout/SpaceAroundEqualsInParameterDefault:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cell/image.rb'
+    - 'lib/prawn/table/cell/subtable.rb'
+    - 'lib/prawn/table/cell/text.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/spec_helper.rb'
+
+# Offense count: 81
+# Cop supports --auto-correct.
+# Configuration parameters: AllowForAlignment, EnforcedStyleForExponentOperator.
+# SupportedStylesForExponentOperator: space, no_space
+Layout/SpaceAroundOperators:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cell/text.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'manual/table/cell_border_lines.rb'
+    - 'prawn-table.gemspec'
+    - 'spec/table_spec.rb'
+
+# Offense count: 25
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBraces.
+# SupportedStyles: space, no_space
+# SupportedStylesForEmptyBraces: space, no_space
+Layout/SpaceBeforeBlockBraces:
+  Exclude:
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 4
+# Cop supports --auto-correct.
+Layout/SpaceBeforeComma:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 59
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBrackets.
+# SupportedStyles: space, no_space, compact
+# SupportedStylesForEmptyBrackets: space, no_space
+Layout/SpaceInsideArrayLiteralBrackets:
+  Exclude:
+    - 'manual/table/basic_block.rb'
+    - 'manual/table/cell_border_lines.rb'
+    - 'manual/table/cell_borders_and_bg.rb'
+    - 'manual/table/cell_dimensions.rb'
+    - 'manual/table/cell_text.rb'
+    - 'manual/table/column_widths.rb'
+    - 'manual/table/content_and_subtables.rb'
+    - 'manual/table/creation.rb'
+    - 'manual/table/filtering.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 33
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBraces, SpaceBeforeBlockParameters.
+# SupportedStyles: space, no_space
+# SupportedStylesForEmptyBraces: space, no_space
+Layout/SpaceInsideBlockBraces:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/spec_helper.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 170
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBraces.
+# SupportedStyles: space, no_space, compact
+# SupportedStylesForEmptyBraces: space, no_space
+Layout/SpaceInsideHashLiteralBraces:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+    - 'manual/table/cell_borders_and_bg.rb'
+    - 'manual/table/cell_dimensions.rb'
+    - 'manual/table/column_widths.rb'
+    - 'manual/table/content_and_subtables.rb'
+    - 'manual/table/image_cells.rb'
+    - 'manual/table/span.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/table/span_dummy_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 20
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: space, compact, no_space
+Layout/SpaceInsideParens:
+  Exclude:
+    - 'Rakefile'
+    - 'manual/table/table.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 6
+# Cop supports --auto-correct.
+Layout/SpaceInsidePercentLiteralDelimiters:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Layout/SpaceInsideRangeLiteral:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, EnforcedStyleForEmptyBrackets.
+# SupportedStyles: space, no_space
+# SupportedStylesForEmptyBrackets: space, no_space
+Layout/SpaceInsideReferenceBrackets:
+  Exclude:
+    - 'prawn-table.gemspec'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: final_newline, final_blank_line
+Layout/TrailingEmptyLines:
+  Exclude:
+    - 'spec/extensions/file_fixture_helper.rb'
+    - 'spec/spec_helper.rb'
+
+# Offense count: 7
+# Cop supports --auto-correct.
+# Configuration parameters: AllowInHeredoc.
+Layout/TrailingWhitespace:
+  Exclude:
+    - 'lib/prawn/table.rb'
+
+# Offense count: 1
+# Configuration parameters: AllowSafeAssignment.
+Lint/AssignmentInCondition:
+  Exclude:
+    - 'lib/prawn/table/cell/text.rb'
+
+# Offense count: 1
+Lint/LiteralAsCondition:
+  Exclude:
+    - 'lib/prawn/table.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct-all.
+Lint/NonDeterministicRequireOrder:
+  Exclude:
+    - 'spec/spec_helper.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Lint/ParenthesesAsGroupedExpression:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+Lint/UnreachableCode:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 5
+# Cop supports --auto-correct.
+# Configuration parameters: IgnoreEmptyBlocks, AllowUnusedKeywordArguments.
+Lint/UnusedBlockArgument:
+  Exclude:
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'spec/cell_spec.rb'
+
+# Offense count: 8
+Lint/UselessAssignment:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 5
+# Configuration parameters: CountComments, CountAsOne, ExcludedMethods, IgnoredMethods.
+# IgnoredMethods: refine
+Metrics/BlockLength:
+  Max: 40
+
+# Offense count: 2
+Naming/ConstantName:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cell/text.rb'
+
+# Offense count: 2
+# Configuration parameters: EnforcedStyleForLeadingUnderscores.
+# SupportedStylesForLeadingUnderscores: disallowed, required, optional
+Naming/MemoizedInstanceVariableName:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 13
+# Configuration parameters: MinNameLength, AllowNamesEndingInNumbers, AllowedNames, ForbiddenNames.
+# AllowedNames: at, by, db, id, in, io, ip, of, on, os, pp, to
+Naming/MethodParameterName:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cell/image.rb'
+    - 'lib/prawn/table/cell/span_dummy.rb'
+
+# Offense count: 1
+# Configuration parameters: NamePrefix, ForbiddenPrefixes, AllowedMethods, MethodDefinitionMacros.
+# NamePrefix: is_, has_, have_
+# ForbiddenPrefixes: is_, has_, have_
+# AllowedMethods: is_a?
+# MethodDefinitionMacros: define_method, define_singleton_method
+Naming/PredicateName:
+  Exclude:
+    - 'spec/**/*'
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 4
+# Configuration parameters: EnforcedStyle, CheckMethodNames, CheckSymbols, AllowedIdentifiers.
+# SupportedStyles: snake_case, normalcase, non_integer
+# AllowedIdentifiers: capture3, iso8601, rfc1123_date, rfc822, rfc2822, rfc3339
+Naming/VariableNumber:
+  Exclude:
+    - 'manual/table/content_and_subtables.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+# Configuration parameters: MinSize.
+Performance/CollectionLiteralInLoop:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: SafeMultiline.
+Performance/EndWith:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Performance/RedundantBlockCall:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Performance/RegexpMatch:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Performance/StringInclude:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 11
+# Cop supports --auto-correct.
+# Configuration parameters: OnlySumOrWithInitialValue.
+Performance/Sum:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 2
+RSpec/AnyInstance:
+  Exclude:
+    - 'spec/cell_spec.rb'
+
+# Offense count: 3
+# Configuration parameters: Prefixes.
+# Prefixes: when, with, without
+RSpec/ContextWording:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 2
+# Configuration parameters: IgnoredMetadata.
+RSpec/DescribeClass:
+  Exclude:
+    - '**/spec/features/**/*'
+    - '**/spec/requests/**/*'
+    - '**/spec/routing/**/*'
+    - '**/spec/system/**/*'
+    - '**/spec/views/**/*'
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 131
+# Cop supports --auto-correct.
+# Configuration parameters: CustomTransform, IgnoredWords.
+RSpec/ExampleWording:
+  Exclude:
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 14
+# Cop supports --auto-correct.
+# Configuration parameters: .
+# SupportedStyles: implicit, each, example
+RSpec/HookArgument:
+  EnforcedStyle: each
+
+# Offense count: 340
+# Configuration parameters: AssignmentOnly.
+RSpec/InstanceVariable:
+  Exclude:
+    - 'spec/cell_spec.rb'
+    - 'spec/table/span_dummy_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 71
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: allow, expect
+RSpec/MessageExpectation:
+  Exclude:
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 73
+# Configuration parameters: .
+# SupportedStyles: have_received, receive
+RSpec/MessageSpies:
+  EnforcedStyle: receive
+
+# Offense count: 2
+RSpec/MultipleDescribes:
+  Exclude:
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: not_to, to_not
+RSpec/NotToNot:
+  Exclude:
+    - 'spec/spec_helper.rb'
+
+# Offense count: 7
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: prefer_alias, prefer_alias_method
+Style/Alias:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: always, conditionals
+Style/AndOr:
+  Exclude:
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 25
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, ProceduralMethods, FunctionalMethods, IgnoredMethods, AllowBracesOnProceduralOneLiners, BracesRequiredMethods.
+# SupportedStyles: line_count_based, semantic, braces_for_chaining, always_braces
+# ProceduralMethods: benchmark, bm, bmbm, create, each_with_object, measure, new, realtime, tap, with_object
+# FunctionalMethods: let, let!, subject, watch
+# IgnoredMethods: lambda, proc, it
+Style/BlockDelimiters:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 6
+# Cop supports --auto-correct.
+# Configuration parameters: AllowOnConstant.
+Style/CaseEquality:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: nested, compact
+Style/ClassAndModuleChildren:
+  Exclude:
+    - 'spec/spec_helper.rb'
+
+# Offense count: 3
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: is_a?, kind_of?
+Style/ClassCheck:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: IgnoredMethods.
+# IgnoredMethods: ==, equal?, eql?
+Style/ClassEqualityComparison:
+  Exclude:
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 15
+# Cop supports --auto-correct-all.
+# Configuration parameters: PreferredMethods, MethodsAcceptingSymbol.
+# MethodsAcceptingSymbol: inject, reduce
+Style/CollectionMethods:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 2
+Style/CombinableLoops:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, SingleLineConditionsOnly, IncludeTernaryExpressions.
+# SupportedStyles: assign_to_condition, assign_inside_condition
+Style/ConditionalAssignment:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 4
+# Cop supports --auto-correct.
+Style/Dir:
+  Exclude:
+    - 'prawn-table.gemspec'
+    - 'spec/cell_spec.rb'
+    - 'spec/table/span_dummy_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+Style/EachWithObject:
+  Exclude:
+    - 'lib/prawn/table.rb'
+
+# Offense count: 4
+# Cop supports --auto-correct.
+Style/EmptyCaseCondition:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Style/EmptyLiteral:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: compact, expanded
+Style/EmptyMethod:
+  Exclude:
+    - 'lib/prawn/table/cell/span_dummy.rb'
+
+# Offense count: 34
+# Cop supports --auto-correct.
+Style/Encoding:
+  Enabled: false
+
+# Offense count: 38
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: always, always_true, never
+Style/FrozenStringLiteralComment:
+  Enabled: false
+
+# Offense count: 468
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, EnforcedShorthandSyntax, UseHashRocketsWithSymbolValues, PreferHashRocketsForNonAlnumEndingSymbols.
+# SupportedStyles: ruby19, hash_rockets, no_mixed_keys, ruby19_no_mixed_keys
+# SupportedShorthandSyntax: always, never, either
+Style/HashSyntax:
+  Enabled: false
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: AllowIfModifier.
+Style/IfInsideElse:
+  Exclude:
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 1
+Style/ImplicitRuntimeError:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 28
+# Cop supports --auto-correct.
+Style/LineEndConcatenation:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+Style/MissingRespondToMissing:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct.
+Style/MultilineTernaryOperator:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: literals, strict
+Style/MutableConstant:
+  Exclude:
+    - 'lib/prawn/table/cell/text.rb'
+
+# Offense count: 8
+# Cop supports --auto-correct-all.
+# Configuration parameters: EnforcedStyle, IgnoredMethods.
+# SupportedStyles: predicate, comparison
+Style/NumericPredicate:
+  Exclude:
+    - 'spec/**/*'
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 6
+# Cop supports --auto-correct.
+Style/ParallelAssignment:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: PreferredDelimiters.
+Style/PercentLiteralDelimiters:
+  Exclude:
+    - 'prawn-table.gemspec'
+
+# Offense count: 3
+# Cop supports --auto-correct.
+Style/RedundantInterpolation:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 3
+# Cop supports --auto-correct.
+# Configuration parameters: AllowMultipleReturnValues.
+Style/RedundantReturn:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+Style/RedundantSelf:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle.
+# SupportedStyles: return, return_nil
+Style/ReturnNil:
+  Exclude:
+    - 'lib/prawn/table/cells.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: ConvertCodeThatCanStartToReturnNil, AllowedMethods.
+# AllowedMethods: present?, blank?, presence, try, try!
+Style/SafeNavigation:
+  Exclude:
+    - 'lib/prawn/table/cell.rb'
+
+# Offense count: 4
+# Cop supports --auto-correct.
+# Configuration parameters: AllowAsExpressionSeparator.
+Style/Semicolon:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 27
+Style/Send:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'lib/prawn/table/cell.rb'
+    - 'lib/prawn/table/cells.rb'
+    - 'lib/prawn/table/column_width_calculator.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 2
+# Cop supports --auto-correct-all.
+Style/SlicingWithRange:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 3
+# Cop supports --auto-correct-all.
+# Configuration parameters: Mode.
+Style/StringConcatenation:
+  Exclude:
+    - 'lib/prawn/table.rb'
+    - 'spec/spec_helper.rb'
+
+# Offense count: 923
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, ConsistentQuotesInMultiline.
+# SupportedStyles: single_quotes, double_quotes
+Style/StringLiterals:
+  Enabled: false
+
+# Offense count: 8
+# Cop supports --auto-correct.
+# Configuration parameters: .
+# SupportedStyles: percent, brackets
+Style/SymbolArray:
+  EnforcedStyle: percent
+  MinSize: 13
+
+# Offense count: 20
+# Cop supports --auto-correct-all.
+# Configuration parameters: AllowMethodsWithArguments, IgnoredMethods.
+# IgnoredMethods: respond_to, define_method
+Style/SymbolProc:
+  Exclude:
+    - 'spec/cell_spec.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, AllowSafeAssignment.
+# SupportedStyles: require_parentheses, require_no_parentheses, require_parentheses_when_complex
+Style/TernaryParentheses:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 5
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyleForMultiline.
+# SupportedStylesForMultiline: comma, consistent_comma, no_comma
+Style/TrailingCommaInArrayLiteral:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 3
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyleForMultiline.
+# SupportedStylesForMultiline: comma, consistent_comma, no_comma
+Style/TrailingCommaInHashLiteral:
+  Exclude:
+    - 'spec/table_spec.rb'
+
+# Offense count: 54
+# Cop supports --auto-correct.
+# Configuration parameters: EnforcedStyle, MinSize, WordRegex.
+# SupportedStyles: percent, brackets
+Style/WordArray:
+  Exclude:
+    - 'Rakefile'
+    - 'manual/table/before_rendering_page.rb'
+    - 'manual/table/cell_text.rb'
+    - 'manual/table/creation.rb'
+    - 'manual/table/row_colors.rb'
+    - 'manual/table/span.rb'
+    - 'spec/table_spec.rb'
+
+# Offense count: 4
+# Cop supports --auto-correct.
+# Configuration parameters: AllowHeredoc, AllowURI, URISchemes, IgnoreCopDirectives, IgnoredPatterns.
+# URISchemes: http, https
+Layout/LineLength:
+  Max: 198
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index cff7229..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-language: ruby
-before_install:
-  - gem install bundler
-  - bundle --version
-rvm:
-  - 2.0.0-p0
-  - 2.0.0-p648
-  - 2.1.0-p0
-  - 2.1.8
-  - 2.2.0-p0
-  - 2.2.4
-  - 2.3.0
-  - rbx-2
-  - jruby-9.0.4.0
-matrix:
-  include:
-    - rvm: jruby-1.7.22
-      env: JRUBY_OPTS=--2.0
-  allow_failures:
-    - rvm: rbx-2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1d59195..33f2472 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 ## Master
 
+* Bugfix: Use a cell's custom style over table styles. (PR [#143](https://github.com/prawnpdf/prawn-table/pull/143), issue [#56](https://github.com/prawnpdf/prawn-table/issues/56))
 * Bugfix: Use the cell's specified font to calculate the cell width. (Jesse Doyle, PR [#60](https://github.com/prawnpdf/prawn-table/pull/60), issue [#42](https://github.com/prawnpdf/prawn-table/issues/42))
 
 ## 0.2.3
diff --git a/README.md b/README.md
index 732ca7e..24c187b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Prawn::Table
 
 [![Gem Version](https://badge.fury.io/rb/prawn-table.png)](http://badge.fury.io/rb/prawn-table)
-[![Build Status](https://secure.travis-ci.org/prawnpdf/prawn-table.png)](http://travis-ci.org/prawnpdf/prawn-table)
+![Build Status](https://github.com/prawnpdf/prawn-table/actions/workflows/ci.yml/badge.svg)
 [![Code Climate](https://codeclimate.com/github/prawnpdf/prawn-table.png)](https://codeclimate.com/github/prawnpdf/prawn-table)
 ![Maintained: PRs accepted](https://img.shields.io/badge/maintained-PRs_accepted-orange.png)
 
diff --git a/Rakefile b/Rakefile
index a7d2008..8d66fd0 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,14 +1,11 @@
-#encoding: utf-8 
+# frozen_string_literal: true
 
-require "bundler"
-Bundler.setup
+GEMSPEC = File.expand_path('prawn-table.gemspec', __dir__)
+require 'prawn/dev/tasks'
 
-require 'rake'
-require 'rspec/core/rake_task'
 require 'yard'
-require 'rubygems/package_task'
 
-task :default => [:spec]
+task default: %i[spec rubocop]
 
 desc "Run all rspec files"
 RSpec::Core::RakeTask.new("spec") do |c|
diff --git a/lib/prawn/table.rb b/lib/prawn/table.rb
index 264bf7a..718fe69 100644
--- a/lib/prawn/table.rb
+++ b/lib/prawn/table.rb
@@ -26,6 +26,10 @@ module Errors
     # This error is raised when an empty or nil table is rendered
     #
     EmptyTable = Class.new(StandardError)
+
+    # Raised when unrecognized content is provided for a table cell.
+    #
+    UnrecognizedTableContent = Class.new(StandardError) unless defined?(::Prawn::Errors::UnrecognizedTableContent)
   end
 
   # Next-generation table drawing for Prawn.
@@ -43,8 +47,7 @@ module Errors
   # Prawn::Table::
   #   Creates a subtable (a table within a cell). You can use
   #   Prawn::Document#make_table to create a table for use as a subtable
-  #   without immediately drawing it. See examples/table/bill.rb for a
-  #   somewhat complex use of subtables.
+  #   without immediately drawing it.
   # Array::
   #   Creates a simple subtable. Create a Table object using make_table (see
   #   above) if you need more control over the subtable's styling.
@@ -99,7 +102,7 @@ module Errors
   #   end
   #
   class Table
-    module Interface 
+    module Interface
       # @group Experimental API
 
       # Set up and draw a table on this document. A block can be given, which will
@@ -135,10 +138,13 @@ def make_table(data, options={}, &block)
     #   above for details on available options.
     #
     def initialize(data, document, options={}, &block)
+      table_opts = options.dup
       @pdf = document
-      @cells = make_cells(data)
+      @cells = make_cells(data, table_opts.delete(:cell_style) || {})
       @header = false
-      options.each { |k, v| send("#{k}=", v) }
+      table_opts.each do |k, v|
+        send("#{k}=", v) if respond_to?("#{k}=")
+      end
 
       if block
         block.arity < 1 ? instance_eval(&block) : block[self]
@@ -291,7 +297,7 @@ def draw
         cells_this_page = []
 
         @cells.each do |cell|
-          if start_new_page?(cell, offset, ref_bounds) 
+          if start_new_page?(cell, offset, ref_bounds)
             # draw cells on the current page and then start a new one
             # this will also add a header to the new page if a header is set
             # reset array of cells for the new page
@@ -381,7 +387,7 @@ def row_heights
     end
 
     protected
-    
+
     # sets the background color (if necessary) for the given cell
     def set_background_color(cell, started_new_page_at_row)
       if defined?(@row_colors) && @row_colors && (!@header || cell.row > 0)
@@ -429,9 +435,9 @@ def ink_and_draw_cells(cells_this_page, draw_cells = true)
     def ink_and_draw_cells_and_start_new_page(cells_this_page, cell)
       # don't draw only a header
       draw_cells = (@header_row.nil? || cells_this_page.size > @header_row.size)
-      
+
       ink_and_draw_cells(cells_this_page, draw_cells)
-      
+
       # start a new page or column
       @pdf.bounds.move_past_bottom
 
@@ -509,7 +515,7 @@ def header_rows
     # Prawn::Table::Cell, and sets up their in-table properties so that they
     # know their own position in the table.
     #
-    def make_cells(data)
+    def make_cells(data, cell_style = {})
       assert_proper_table_data(data)
 
       cells = Cells.new
@@ -523,7 +529,11 @@ def make_cells(data)
           column_number += 1 until cells[row_number, column_number].nil?
 
           # Build the cell and store it in the Cells collection.
-          cell = Cell.make(@pdf, cell_data)
+          cell = if cell_data.is_a?(Hash)
+                   Cell.make(@pdf, cell_style.merge(cell_data))
+                 else
+                   Cell.make(@pdf, cell_data, cell_style)
+                 end
           cells[row_number, column_number] = cell
 
           # Add dummy cells for the rest of the cells in the span group. This
@@ -576,7 +586,7 @@ def add_header(row_number, cells_this_page)
         number_of_header_rows.times do |h|
           additional_header_height = add_one_header_row(cells_this_page, x_offset, y_coord-header_height, row_number-1, h)
           header_height += additional_header_height
-        end        
+        end
       end
       header_height
     end
@@ -593,7 +603,7 @@ def add_one_header_row(page_of_cells, x_offset, y, row, row_of_header=nil)
       rows_to_operate_on = @header_row.rows(row_of_header) if row_of_header
       rows_to_operate_on.each do |cell|
         cell.row = row
-        cell.dummy_cells.each {|c| 
+        cell.dummy_cells.each {|c|
           if cell.rowspan > 1
             # be sure to account for cells that span multiple rows
             # in this case you need multiple row numbers
diff --git a/lib/prawn/table/cell.rb b/lib/prawn/table/cell.rb
index 83b940f..3dbbc84 100644
--- a/lib/prawn/table/cell.rb
+++ b/lib/prawn/table/cell.rb
@@ -161,20 +161,16 @@ def max_width
       #
       def self.make(pdf, content, options={})
         at = options.delete(:at) || [0, pdf.cursor]
-        content = content.to_s if content.nil? || content.kind_of?(Numeric) ||
-          content.kind_of?(Date)
+
+        return Cell::Image.new(pdf, at, content) if content.is_a?(Hash) && content[:image]
 
         if content.is_a?(Hash)
-          if content[:image]
-            return Cell::Image.new(pdf, at, content)
-          end
           options.update(content)
           content = options[:content]
-        else
-          options[:content] = content
         end
 
-        options[:content] = content = "" if content.nil?
+        content = content.to_s if stringify_content?(content)
+        options[:content] = content
 
         case content
         when Prawn::Table::Cell
@@ -191,6 +187,15 @@ def self.make(pdf, content, options={})
         end
       end
 
+      def self.stringify_content?(content)
+        return true if content.nil?
+        return true if content.kind_of?(Numeric)
+        return true if content.kind_of?(Date)
+        return true if content.kind_of?(Time)
+
+        false
+      end
+
       # A small amount added to the bounding box width to cover over floating-
       # point errors when round-tripping from content_width to width and back.
       # This does not change cell positioning; it only slightly expands each
@@ -219,7 +224,7 @@ def initialize(pdf, point, options={})
         @rowspan = 1
         @dummy_cells = []
 
-        options.each { |k, v| send("#{k}=", v) }
+        style(options)
 
         @initializer_run = true
       end
diff --git a/manual/images/prawn.png b/manual/images/prawn.png
new file mode 100644
index 0000000..4b36946
Binary files /dev/null and b/manual/images/prawn.png differ
diff --git a/manual/images/stef.jpg b/manual/images/stef.jpg
new file mode 100644
index 0000000..039dd89
Binary files /dev/null and b/manual/images/stef.jpg differ
diff --git a/manual/table/cell_dimensions.rb b/manual/table/cell_dimensions.rb
index cd47d78..e6bc6f3 100644
--- a/manual/table/cell_dimensions.rb
+++ b/manual/table/cell_dimensions.rb
@@ -25,6 +25,12 @@
     move_down 20
   end
 
-  text "Padding can also be set with an array: [0, 0, 0, 30]"
-  table(data, :cell_style => {:padding => [0, 0, 0, 30]})
+  text "Padding can also be set with an array by specifying values for all sides: [0, 0, 0, 30]"
+  table(data, :cell_style => {:padding => [0, 0, 0, 30]}) # top, right, bottom, left
+
+  text "Padding can also be set by specifying only vertical and horizontal values: [0,30]"
+  table(data, :cell_style => {:padding => [0, 30]}) # vertical, horizontal
+
+  text "Padding can also be set by specifying top, horizontal and bottom values: [0,30,10]"
+  table(data, :cell_style => {:padding => [0, 30, 10]}) # top, horizontal, bottom
 end
diff --git a/manual/table/content_and_subtables.rb b/manual/table/content_and_subtables.rb
index ac7b233..8e99dad 100644
--- a/manual/table/content_and_subtables.rb
+++ b/manual/table/content_and_subtables.rb
@@ -29,7 +29,7 @@
 
   my_table = make_table([ ["..."], ["subtable from another table"], ["..."] ])
 
-  image_path = "#{Prawn::DATADIR}/images/stef.jpg"
+  image_path = File.expand_path("../images/stef.jpg", __dir__)
 
   table([ ["just a regular row", "", "", "blah blah blah"],
           [cell_1, cell_2, "", ""],
diff --git a/manual/table/image_cells.rb b/manual/table/image_cells.rb
index 474a423..1464041 100644
--- a/manual/table/image_cells.rb
+++ b/manual/table/image_cells.rb
@@ -17,7 +17,7 @@
 
 filename = File.basename(__FILE__).gsub('.rb', '.pdf')
 Prawn::ManualBuilder::Example.generate(filename) do
-  image = "#{Prawn::DATADIR}/images/prawn.png"
+  image = File.expand_path("../images/prawn.png", __dir__)
 
   table [
     ["Standard image cell",   {:image => image}],
diff --git a/manual/table/style.rb b/manual/table/style.rb
index 22c8f56..9b523eb 100644
--- a/manual/table/style.rb
+++ b/manual/table/style.rb
@@ -7,6 +7,11 @@
 # also accepts a block that will be called for each cell and can be used for
 # some complex styling.
 #
+# Individual cell styles can also be applied when defining the data for the
+# table using a hash syntax for the cell.  This style will take precedence over
+# any table level cell styles.  See the "cell_text" section for a list of
+# options.
+
 require File.expand_path(File.join(File.dirname(__FILE__),
                                    %w[.. example_helper]))
 
@@ -19,4 +24,10 @@
       c.background_color = ((c.row + c.column) % 2).zero? ? '000000' : 'ffffff'
     end
   end
+  move_down 20
+
+  table(
+    [%w[A B], ['C', { content: 'D', text_color: 'ff0000' }]],
+    cell_style: { text_color: '0000ff' }
+  )
 end
diff --git a/prawn-table.gemspec b/prawn-table.gemspec
index ad721c5..31b2057 100644
--- a/prawn-table.gemspec
+++ b/prawn-table.gemspec
@@ -10,21 +10,22 @@ Gem::Specification.new do |spec|
                 ["prawn-table.gemspec", "Gemfile",
                  "COPYING", "LICENSE", "GPLv2", "GPLv3"]
   spec.require_path = "lib"
-  spec.required_ruby_version = '>= 1.9.3'
-  spec.required_rubygems_version = ">= 1.3.6"
+  spec.required_ruby_version = '>= 2.6'
+  spec.required_rubygems_version = ">= 2.0.0"
 
   spec.test_files = Dir[ "spec/*_spec.rb" ]
   spec.authors = ["Gregory Brown","Brad Ediger","Daniel Nelson","Jonathan Greenberg","James Healy", "Hartwig Brandl"]
   spec.email = ["gregory.t.brown@gmail.com","brad@bradediger.com","dnelson@bluejade.com","greenberg@entryway.net","jimmy@deefa.com", "mail@hartwigbrandl.at"]
-  spec.rubyforge_project = "prawn"
   spec.licenses = %w(PRAWN GPL-2.0 GPL-3.0)
 
   spec.add_dependency('prawn', '>= 1.3.0', '< 3.0.0')
+
   spec.add_development_dependency('pdf-inspector', '~> 1.1.0')
   spec.add_development_dependency('yard')
   spec.add_development_dependency('rspec', '~> 3.0')
   spec.add_development_dependency('rake')
   spec.add_development_dependency('simplecov')
+  spec.add_development_dependency('prawn-dev', '~> 0.3.0')
   spec.add_development_dependency('prawn-manual_builder', ">= 0.2.0")
   spec.add_development_dependency('pdf-reader', '~>1.2')
 
diff --git a/spec/cell_spec.rb b/spec/cell_spec.rb
index 4cbecff..9a5a0fa 100644
--- a/spec/cell_spec.rb
+++ b/spec/cell_spec.rb
@@ -36,13 +36,21 @@ def cell(options={})
     end
 
     it "should convert nil, Numeric, and Date values to strings" do
-      [nil, 123, 123.45, Date.today].each do |value|
+      [nil, 123, 123.45, Date.today, Time.new].each do |value|
         c = @pdf.cell(:content => value)
         expect(c).to be_a_kind_of Prawn::Table::Cell::Text
         expect(c.content).to eq value.to_s
       end
     end
 
+    it "should convert nil, Numeric, and Date values to strings when value is extracted from options" do
+      [nil, 123, 123.45, Date.today, Time.new].each do |value|
+        c = Prawn::Table::Cell.make(@pdf, {}, { :content => value })
+        expect(c).to be_a_kind_of Prawn::Table::Cell::Text
+        expect(c.content).to eq value.to_s
+      end
+    end
+
     it "should allow inline styling with a hash argument" do
       # used for table([[{:text => "...", :font_style => :bold, ...}, ...]])
       c = Prawn::Table::Cell.make(@pdf,
@@ -399,7 +407,7 @@ def cell(options={})
       expect(@pdf).to receive(:stroke_color=).with("ff00ff")
 
       c = @pdf.cell(:content => "text",
-        :border_color => %w[ff0000 00ff00 0000ff ff00ff])
+                    :border_color => %w[ff0000 00ff00 0000ff ff00ff])
 
       expect(c.border_colors).to eq %w[ff0000 00ff00 0000ff ff00ff]
     end
@@ -426,7 +434,7 @@ def cell(options={})
       expect(@pdf).to receive(:line_width=).with(5)
 
       c = @pdf.cell(:content => "text",
-        :border_width => [2, 3, 4, 5])
+                    :border_width => [2, 3, 4, 5])
       expect(c.border_widths).to eq [2, 3, 4, 5]
     end
 
@@ -447,7 +455,7 @@ def cell(options={})
 
     it "should set border lines with :border_lines" do
       c = @pdf.cell(:content => "text",
-        :border_lines => [:solid, :dotted, :dashed, :solid])
+                    :border_lines => [:solid, :dotted, :dashed, :solid])
       expect(c.border_lines).to eq [:solid, :dotted, :dashed, :solid]
     end
   end
@@ -592,7 +600,7 @@ def cell(options={})
   describe "with default options" do
     before(:each) do
       @cell = Prawn::Table::Cell.make(@pdf,
-        :image => "#{Prawn::DATADIR}/images/prawn.png")
+                                      { :image => file_fixture("prawn.png").to_s })
     end
 
     it "should create a Cell::Image" do
@@ -608,7 +616,7 @@ def cell(options={})
   describe "hash syntax" do
     before(:each) do
       @table = @pdf.make_table([[{
-        :image => "#{Prawn::DATADIR}/images/prawn.png",
+        :image => file_fixture("prawn.png").to_s,
         :scale => 2,
         :fit => [100, 200],
         :image_width => 123,
diff --git a/spec/extensions/file_fixture_helper.rb b/spec/extensions/file_fixture_helper.rb
new file mode 100644
index 0000000..6d0c320
--- /dev/null
+++ b/spec/extensions/file_fixture_helper.rb
@@ -0,0 +1,15 @@
+require 'pathname'
+
+module FileFixtureHelper
+  FIXTURES_PATH = Pathname.new(File.expand_path("../fixtures", __dir__)).freeze
+  FILE_FIXTURES_PATH = FIXTURES_PATH.join("files").freeze
+
+  def file_fixture(relative_path)
+    pathname = FILE_FIXTURES_PATH.join(relative_path)
+
+    raise ArgumentError, "File '#{pathname}' not found" unless pathname.file?
+
+    pathname
+  end
+end
+
diff --git a/spec/fixtures/files/prawn.png b/spec/fixtures/files/prawn.png
new file mode 100644
index 0000000..4b36946
Binary files /dev/null and b/spec/fixtures/files/prawn.png differ
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8b2c1c2..155df8e 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -26,6 +26,7 @@
 
 RSpec.configure do |config|
   config.include EncodingHelpers
+  config.include FileFixtureHelper
 end
 
 def create_pdf(klass=Prawn::Document)
diff --git a/spec/table_spec.rb b/spec/table_spec.rb
index c293454..cd5beac 100644
--- a/spec/table_spec.rb
+++ b/spec/table_spec.rb
@@ -943,13 +943,15 @@
         " block" do
 
       stylable = double
-      expect(stylable).to receive(:style).with(:foo => :bar).once.and_yield
+      expect(stylable).to receive(:style).with({:foo => :bar}).once.and_yield
 
       block = double
       expect(block).to receive(:kick).once
 
       Prawn::Document.new do
-        table([["x"]]) { style(stylable, :foo => :bar) { block.kick } }
+        table([["x"]]) do
+          style(stylable, {:foo => :bar}) { block.kick }
+        end
       end
     end
 
@@ -980,8 +982,9 @@
     it "should ignore headers" do
       data = [["header"], ["foo"], ["bar"], ["baz"]]
       pdf = Prawn::Document.new
-      t = pdf.table(data, :header => true,
-                    :row_colors => ['cccccc', 'ffffff']) do
+      t = pdf.table(data,
+                    { :header => true,
+                      :row_colors => ['cccccc', 'ffffff']}) do
         row(0).background_color = '333333'
       end
 
@@ -991,8 +994,9 @@
     it "stripes rows consistently from page to page, skipping header rows" do
       data = [["header"]] + [["foo"]] * 70
       pdf = Prawn::Document.new
-      t = pdf.make_table(data, :header => true,
-          :row_colors => ['cccccc', 'ffffff']) do
+      t = pdf.make_table(data,
+                         { :header => true,
+                           :row_colors => ['cccccc', 'ffffff']}) do
         cells.padding = 0
         cells.size = 9
         row(0).size = 11
@@ -1609,4 +1613,14 @@
     pdf.render
     expect(pdf.page_count).to eq 1
   end
+
+  it 'illustrates issue #56 cell style should not be overwritten by table style', issue: 56 do
+    t = @pdf.table([['col1', 'col2'],
+                    ['val1', { content: 'val2', align: :left }]],
+                   cell_style: { align: :center })
+    expect(t.cells[0, 0].align).to eq :center
+    expect(t.cells[0, 1].align).to eq :center
+    expect(t.cells[1, 0].align).to eq :center
+    expect(t.cells[1, 1].align).to eq :left
+  end
 end