[css] add missing 1) property all, 2) media feature prefers-color-scheme

Author: orionlee

mode/css/css.js

@@ -442,17 +442,18 @@ CodeMirror.defineMode("css", function(config, parserConfig) {
     "monochrome", "min-monochrome", "max-monochrome", "resolution",
     "min-resolution", "max-resolution", "scan", "grid", "orientation",
     "device-pixel-ratio", "min-device-pixel-ratio", "max-device-pixel-ratio",
-    "pointer", "any-pointer", "hover", "any-hover"
+    "pointer", "any-pointer", "hover", "any-hover", "prefers-color-scheme"
   ], mediaFeatures = keySet(mediaFeatures_);
 
   var mediaValueKeywords_ = [
     "landscape", "portrait", "none", "coarse", "fine", "on-demand", "hover",
-    "interlace", "progressive"
+    "interlace", "progressive",
+    "dark", "light"
   ], mediaValueKeywords = keySet(mediaValueKeywords_);
 
   var propertyKeywords_ = [
     "align-content", "align-items", "align-self", "alignment-adjust",
-    "alignment-baseline", "anchor-point", "animation", "animation-delay",
+    "alignment-baseline", "all", "anchor-point", "animation", "animation-delay",
     "animation-direction", "animation-duration", "animation-fill-mode",
     "animation-iteration-count", "animation-name", "animation-play-state",
     "animation-timing-function", "appearance", "azimuth", "backdrop-filter",