issue #390 - Integrate parts of Element Hiding Helper functionality into Adblock Plus

chrome/skin/ehh-composer.css

+/*
+ * This Source Code is subject to the terms of the Mozilla Public License
+ * version 2.0 (the "License"). You can obtain a copy of the License at
+ * http://mozilla.org/MPL/2.0/.
+ */
+
+@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
+
+scrollbox
+{
+  overflow: auto;
+}
+
+#groupDisabledWarning
+{
+  color: red;
+}
+
+dialog:not([advancedMode=true]) #nodes-tree,
+dialog:not([advancedMode=true]) #nodes-tree-splitter
+{
+  display: none;
+}
+
+treechildren::-moz-tree-cell-text(anchor)
+{
+  font-weight: bold;
+}
+treechildren::-moz-tree-row(anchor, selected-false)
+{
+  background-color: #FFC0C0;
+}
+
+.attribute
+{
+  padding: 5px;
+}
+.attribute > checkbox:focus + vbox
+{
+  outline: 1px dotted ThreeDDarkShadow;
+}
+.attribute .label
+{
+  -moz-user-focus: ignore;
+}
+.attribute.advanced .checkbox-label-box
+{
+  display: none;
+}