Simplify SCSS variables

app/assets/stylesheets/common.scss

@@ -1,20 +1,22 @@
 // All classes should be scoped within the .sul-embed-container
-@import "palette";
 @import "sul_variables";
 @import "modules/buttons";
 @import "modules/popup_panels";
 @import "modules/utility";
 
+$color-pantone-401: #b6b1a9;
+$sul-link-border-color: $color-pantone-401;
+
 body {
   margin: 0;
   padding: 0;
 }
 
 .sul-embed-container {
   background: $white-color;
-  border: 1px solid $color-pantone-405;
+  border: 1px solid $sul-border-color;
   box-sizing: border-box;
-  color: $sul-font-color;
+  color: black;
   display: flex;
   flex-direction: column;
   font-family: "Source Sans Pro", "Arial Unicode MS", Helvetica, sans-serif;
@@ -100,7 +102,7 @@ body {
     }
 
     .sul-embed-download-count {
-      background-color: $btn-default-bg;
+      background-color: white;
       border-radius: 16px;
       color: $color-pantone-405;
       display: inline-block;

app/assets/stylesheets/file.scss

@@ -1,4 +1,5 @@
 @import "common";
+$color-beige-10: #f2f1eb;
 
 body {
   overflow-y: hidden;

app/assets/stylesheets/modules/buttons.scss

@@ -99,8 +99,8 @@
   }
 
   .btn-toolbar {
-    --bs-btn-color: #{$sul-button-color};
-    --bs-btn-bg: #{$sul-button-bg};
+    --bs-btn-color: white;
+    --bs-btn-bg: #{$sul-border-color};
     --bs-btn-border-color: transparent;
     --bs-btn-hover-bg: #433e38;
     --bs-btn-hover-border-color: transparent;

app/assets/stylesheets/modules/utility.scss

@@ -17,31 +17,25 @@
 // https://github.com/twbs/bootstrap-sass/blob/d5625c907168b6311be122b99d89614e02448475/assets/stylesheets/bootstrap/_close.scss
 
 .sul-embed-close {
+  background: transparent;
+  border: 0;
+  color: black;
+  cursor: pointer;
   float: right;
   font-size: ($font-size-base * 1.5);
-  font-weight: $close-font-weight;
+  font-weight: bold;
   line-height: 1;
-  color: $close-color;
-  text-shadow: $close-text-shadow;
+  text-shadow: 0 1px 0 #fff;
   opacity: 0.2;
+  padding: 0;
+  -webkit-appearance: none;
 
   &:hover,
   &:focus {
-    color: $close-color;
     text-decoration: none;
     cursor: pointer;
     opacity: 0.5;
   }
-
-  // [converter] extracted button& to button.close
-}
-
-button.sul-embed-close {
-  padding: 0;
-  cursor: pointer;
-  background: transparent;
-  border: 0;
-  -webkit-appearance: none;
 }
 
 // https://github.com/twbs/bootstrap-sass/blob/d5625c907168b6311be122b99d89614e02448475/assets/stylesheets/bootstrap/_scaffolding.scss

app/assets/stylesheets/sul_variables.scss

@@ -1,23 +1,19 @@
 // Colors
+$color-cardinal-red: #8c1515;
+$color-fog-light: #f4f4f4;
+$color-beige-05: #fbfbf9;
+$color-pantone-405: #5f574f;
 $gray-80-percent: #ccc;
 $gray-54-percent: #737373;
 $white-color: #fff;
 
-// Bootstrap needed (for mixins)
-$btn-default-bg: #fff;
-$close-color: #000;
-$close-font-weight: bold;
-$close-text-shadow: 0 1px 0 #fff;
 $font-size-base: 14px;
 
 $sul-border-color: $color-pantone-405;
 $sul-button-bg: $sul-border-color;
-$sul-button-color: white;
-$sul-font-color: black;
 $sul-input-border: $gray-80-percent;
 $sul-title-size: floor(($font-size-base * 1.29));
 $sul-header-weight: 300;
-$sul-link-border-color: $color-pantone-401;
 $sul-link-color: #006cb8;
 $sul-link-hover-color: #00548f;
 $sul-metadata-bg: $color-beige-05;

app/assets/stylesheets/was_seed.scss

@@ -1,5 +1,5 @@
-// @import 'sul_variables';
 @import "common";
+$color-beige-30: #e3dfd5;
 
 .sul-embed-was-seed-content {
   padding: 10px;