Update _syntax.scss

Author: XhmikosR

site/static/docs/4.3/assets/scss/_syntax.scss

@@ -13,7 +13,7 @@
 /* CommentMultiline */ .chroma .c1 { color: #727272; }
 /* CommentHashbang */ .chroma .ch { font-style: italic; color: #60a0b0; } /* NEW */
 /* CommentMultiline */ .chroma .cm { color: #727272; }
-/* CommentPreproc */ .chroma .cp { color: #028272; }
+/* CommentPreproc */ .chroma .cp { color: #028262; }
 /* CommentPreprocFile */ .chroma .cpf { color: #007020; } /* NEW */
 /* CommentSpecial */ .chroma .cs { color: #727272; }
 /* GenericDeleted */ .chroma .gd { background-color: #fcc; border: 1px solid #c00; }