.border-radius {
   -moz-border-radius: 12px; /* FF1-3.6 */
-webkit-border-radius: 12px; /* Saf3-4, iOS 1-3.2, Android <1.6 */
        border-radius: 12px; /* Opera 10.5, IE9, Saf5, Chrome, FF4, iOS 4, Android 2.1+ */
/* useful if you don't want a bg color from leaking outside the border: */        
-moz-background-clip: padding; -webkit-background-clip: padding-box; background-clip: padding-box;
}