Follow WD-css3-ui-20150224

See also: http://www.w3.org/TR/2015/WD-css3-ui-20150224/

test/test.html

@@ -563,17 +563,10 @@
         display: cubic-bezier(0.25, 0.1, 0.25, 1.0);
       }
 
-      .ui {
-        icon: active;
-        resize: inactive;
-        box-sizing: disabled;
-        ime-mode: root;
-        nav-index: horizontal;
-        nav-up: vertical;
-        nav-right: clip;
-        nav-down: ellipsis;
-        nav-left: auto;
-        outline-offset: auto;
+      .ui::value,
+      .ui::choices {
+        caret-color: grab;
+        display: grabbing;
       }
 
       .values {