Enable default support for HTML and SCSS

Most anyone who works with CSS will encounter inline CSS in HTML at some
point, so it follows that this should support that by default.
Additionally, SCSS is quite popular at this point and it makes more
sense to support it by default than to require manually enabling it.

after/syntax/html.vim

@@ -0,0 +1,29 @@
+syn include @htmlCss syntax/css/html5-elements.vim
+syn include @htmlCss syntax/css/css3-animations.vim
+syn include @htmlCss syntax/css/css3-background.vim
+syn include @htmlCss syntax/css/css3-box.vim
+syn include @htmlCss syntax/css/css3-break.vim
+syn include @htmlCss syntax/css/css3-colors.vim
+syn include @htmlCss syntax/css/css3-content.vim
+syn include @htmlCss syntax/css/css3-exclusions.vim
+syn include @htmlCss syntax/css/css3-flexbox.vim
+syn include @htmlCss syntax/css/css3-gcpm.vim
+syn include @htmlCss syntax/css/css3-grid-layout.vim
+syn include @htmlCss syntax/css/css3-hyperlinks.vim
+syn include @htmlCss syntax/css/css3-images.vim
+syn include @htmlCss syntax/css/css3-layout.vim
+syn include @htmlCss syntax/css/css3-linebox.vim
+syn include @htmlCss syntax/css/css3-lists.vim
+syn include @htmlCss syntax/css/css3-marquee.vim
+" syn include @htmlCss syntax/css/css3-mediaqueries.vim
+syn include @htmlCss syntax/css/css3-multicol.vim
+syn include @htmlCss syntax/css/css3-preslev.vim
+syn include @htmlCss syntax/css/css3-regions.vim
+syn include @htmlCss syntax/css/css3-ruby.vim
+syn include @htmlCss syntax/css/css3-selectors.vim
+syn include @htmlCss syntax/css/css3-text.vim
+syn include @htmlCss syntax/css/css3-transforms.vim
+syn include @htmlCss syntax/css/css3-transitions.vim
+syn include @htmlCss syntax/css/css3-ui.vim
+syn include @htmlCss syntax/css/css3-values.vim
+syn include @htmlCss syntax/css/css3-writing-modes.vim

after/syntax/scss.vim

@@ -0,0 +1,3 @@
+runtime! syntax/css/*.vim
+syn clear cssMediaBlock
+syn region cssMediaBlock contained transparent matchgroup=cssBraces start='{' end='}' contains=TOP