Add styles for WindowBox (Video Popup)

Set more height and width and red hover for the resizing canvas.
Set a clip style to hide the overflow elements.

java/com.sap.sailing.gwt.ui/RaceBoard.css

@@ -313,6 +313,10 @@ img.openColumn {
  * Begin CSS for WindowBox component:
  ******************************************************************************/
 
+.gwt-extras-WindowBox {
+	clip: rect(auto auto auto auto);
+}
+
 .gwt-extras-WindowBox .dialogMiddleCenter {
   padding: 0px !important;
 }
@@ -370,6 +374,16 @@ img.openColumn {
 .gwt-extras-WindowBox .gwt-extras-dialog-controls a.gwt-extras-dialog-maximize:hover {
   background: transparent url(images/min-4panel.png) right bottom no-repeat;
 }
+
+.dialogBottomLeftInner, .dialogBottomRightInner {
+	width: 10px;
+	height: 10px;
+	
+}
+
+.dialogBottomLeftInner:hover, .dialogBottomRightInner:hover {
+	background: red;
+}
 /*******************************************************************************
  * End of CSS for WindowBox component.
  ******************************************************************************/