2 files changed, 7 insertions, 10 deletions
diff --git a/node_modules/clean-css/lib/optimizer/level-1/optimize.js b/node_modules/clean-css/lib/optimizer/level-1/optimize.js
index 5a6da47c0..82cb9531d 100644
--- a/node_modules/clean-css/lib/optimizer/level-1/optimize.js
+++ b/node_modules/clean-css/lib/optimizer/level-1/optimize.js
@@ -98,11 +98,11 @@ function optimizeColors(name, value, compatibility) {
     .replace(/hsl\((-?\d+),(-?\d+)%?,(-?\d+)%?\)/g, function (match, hue, saturation, lightness) {
       return shortenHsl(hue, saturation, lightness);
     })
-    .replace(/(^|[^='"])#([0-9a-f]{6})/gi, function (match, prefix, color) {
+    .replace(/(^|[^='"])#([0-9a-f]{6})($|[^0-9a-f])/gi, function (match, prefix, color, suffix) {
       if (color[0] == color[1] && color[2] == color[3] && color[4] == color[5]) {
-        return (prefix + '#' + color[0] + color[2] + color[4]).toLowerCase();
+        return (prefix + '#' + color[0] + color[2] + color[4]).toLowerCase() + suffix;
       } else {
-        return (prefix + '#' + color).toLowerCase();
+        return (prefix + '#' + color).toLowerCase() + suffix;
       }
     })
     .replace(/(^|[^='"])#([0-9a-f]{3})/gi, function (match, prefix, color) {
@@ -269,7 +269,7 @@ function optimizeUnits(name, value, unitsRegexp) {
     return value;
   }
 
-  if (value.indexOf('%') > 0 && (name == 'height' || name == 'max-height')) {
+  if (value.indexOf('%') > 0 && (name == 'height' || name == 'max-height' || name == 'width' || name == 'max-width')) {
     return value;
   }
 
@@ -491,10 +491,7 @@ function optimizeBody(properties, context) {
 
   restoreFromOptimizing(_properties);
   removeUnused(_properties);
-
-  if (_properties.length != properties.length) {
-    removeComments(properties, options);
-  }
+  removeComments(properties, options);
 }
 
 function removeComments(tokens, options) {
@@ -654,7 +651,7 @@ function level1Optimize(tokens, context) {
         break;
     }
 
-    if (levelOptions.removeEmpty && (token[1].length === 0 || (token[2] && token[2].length === 0))) {
+    if (token[0] == Token.COMMENT && token[1].length === 0 || levelOptions.removeEmpty && (token[1].length === 0 || (token[2] && token[2].length === 0))) {
       tokens.splice(i, 1);
       i--;
       l--;
diff --git a/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js b/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js
index b47ed6b79..0af3b2fe7 100644
--- a/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js
+++ b/node_modules/clean-css/lib/optimizer/level-1/tidy-rules.js
@@ -70,7 +70,7 @@ function removeWhitespace(value, format) {
     isNewLineNix = character == Marker.NEW_LINE_NIX;
     isNewLineWin = character == Marker.NEW_LINE_NIX && value[i - 1] == Marker.NEW_LINE_WIN;
     isQuoted = isSingleQuoted || isDoubleQuoted;
-    isRelation = !isEscaped && roundBracketLevel === 0 && RELATION_PATTERN.test(character);
+    isRelation = !isAttribute && !isEscaped && roundBracketLevel === 0 && RELATION_PATTERN.test(character);
     isWhitespace = WHITESPACE_PATTERN.test(character);
 
     if (wasEscaped && isQuoted && isNewLineWin) {