Latest amends from Hive theme again

Author: philwareham

dist/textpattern/jquery-ui.css

@@ -1922,7 +1922,7 @@ label.ui-state-active.ui-button:active {
 /**
  * Weighted content icons and interaction state icons.
  *
- * TODO: Use `filter: brightness()` in future, instead of dedicated image.
+ * TODO: See `filter: brightness()` above.
  */
 .ui-widget-content .ui-icon,
 .ui-widget-header .ui-icon,

src/sass/modules/_icons.scss

@@ -39,20 +39,22 @@
  */
 
 .ui-state-default .ui-icon {
+    //filter: brightness(1.33);
     background-image: url("img/ui-icon-sprite-555555.svg");
 }
 
 /**
  * Weighted content icons and interaction state icons.
  *
- * TODO: Use `filter: brightness()` in future, instead of dedicated image.
+ * TODO: See `filter: brightness()` above.
  */
 
 .ui-widget-content .ui-icon,
 .ui-widget-header .ui-icon,
 .ui-state-hover .ui-icon,
 .ui-state-focus .ui-icon,
 .ui-state-active .ui-icon {
+    //filter: none;
     background-image: url("img/ui-icon-sprite-333333.svg");
 }