[scss] Incorrect syntax highlighting for some property names

[johnbillion]

Issue Type: Bug

Hi folks,

The syntax highlighting for SCSS differs slightly from CSS for the cursor and content properties (and maybe others that I've not noticed).

Here's the incorrect syntax highlighting for an SCSS file:

Here's the syntax for the same code in the corresponding CSS file:

Note that the name of the cursor property is not highlighted in the same colour.

I'm using the Light color theme, but I've tested this with other color themes too and the same problem occurs. Example from the Solarized Light theme:

VS Code version: Code 1.22.2 (3aeede7, 2018-04-12T16:32:53.389Z)
OS version: Darwin x64 16.7.0

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-6567U CPU @ 3.30GHz (4 x 3300)
Load (avg)	2, 2, 2
Memory (System)	16.00GB (0.88GB free)
Process Argv	/Applications/Code.app/Contents/MacOS/Electron
Screen Reader	no
VM	0%

Extensions (44)

Extension	Author (truncated)	Version
erb	Cra	0.0.1
EditorConfig	Edi	0.12.1
vsc-material-theme	Equ	1.6.0
gc-excelviewer	Gra	2.0.20
beautify	Hoo	1.3.0
code-settings-sync	Sha	2.9.0
sort-lines	Tyr	1.6.1
project-manager	ale	0.25.0
scope-bar	amo	0.0.5
alignment	ann	0.3.0
markdown-mermaid	bie	0.1.1
vscode-puppet	bit	0.4.5
path-intellisense	chr	1.4.2
vscode-svgviewer	css	1.4.3
transformer	dak	1.5.1
jshint	dba	0.10.18
vscode-eslint	dba	1.4.8
vscode-dash	dee	1.9.0
gitlens	eam	8.2.2
tslint	eg2	1.0.28
vs-code-xml-format	fab	0.1.5
php-debug	fel	1.12.3
php-intellisense	fel	2.3.1
php-pack	fel	1.0.1
url-encode	fle	1.1.0
vscode-zoneinfo	gil	2.1.1
phpcs	ika	1.0.5
svn-scm	joh	1.29.0
vscode-map-preview	jum	0.4.2
restructuredtext	lex	59.0.0
VS-code-vagrantfile	mar	0.0.7
rainbow-csv	mec	0.2.1
python	ms-	2018.3.1
sublime-keybindings	ms-	3.0.3
php-docblocker	nei	1.6.0
polacode	pnp	0.2.2
vscode-sort-json	ric	1.11.0
vscode-nginx	sha	0.5.0
trailing-spaces	sha	0.2.11
gitconfig	sid	1.0.1
vscode-hexdump	sle	1.6.0
cucumber	ste	0.11.5
twig	wha	1.0.2
change-case	wma	1.0.0

[usernamehw]

Duplicate of atom/language-sass#226

[aeschli]

Thanks @usernamehw !