Adjusted structure for PDS skeleton.

public/css/variables.less

@@ -0,0 +1,21 @@
+@font-size-small: 12px;
+@line-height-computed: 20px;
+
+// colors
+@timeline-bg: #f5f5f5;
+@event-theme-color: #5cb85c;
+@event-plugin-color: #428bca;
+@event-core-color: #f0ad4e;
+@event-info-color: #5bc0de;
+@event-warning-color: #d9534f;
+@progress-bg: @timeline-bg;
+@progress-bar-bg: @event-info-color;
+
+// because admin bar is 99999
+@zindex-tooltip: 100000;
+@tooltip-max-width: 300px;
+@tooltip-color: #ccc;
+@tooltip-bg: #464646;
+@tooltip-arrow-width: 5px;
+@tooltip-arrow-color: @tooltip-bg;
+@border-radius-base: 4px;