+ transition: opacity 300ms;
+}
+
+.panel-arrowcontainer[panelopen] {
+ transition-duration: 200ms, 150ms;
+ transition-property: opacity, transform;
+ transition-timing-function: ease-out;
+}
+
+.panel-arrowcontainer:not([panelopen]) {
+ /* Does not work correctly in Linux right now. - 2012-09-30
+ * Actually, only breaks uncommon Window Managers, but arrowpanels disappear completely. 2013-07-21
+ opacity: 0; */
+}
+
+.panel-arrowcontainer:not([panelopen])[side="top"] {
+ transform: translateY(-20px);
+}
+
+.panel-arrowcontainer:not([panelopen])[side="bottom"] {
+ transform: translateY(20px);
+}
+
+.panel-arrowcontainer:not([panelopen])[side="left"] {
+ transform: translateX(-20px);
+}
+
+.panel-arrowcontainer:not([panelopen])[side="right"] {
+ transform: translateX(20px);