Element block pseudo-class :active generated with overflow hidden border-radius line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) border 0px rgba(0,0,0,1) solid float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal z-index auto width 160px transition height auto cursor default background display block font-size 16px position static margin 0px box-sizing content-box transform padding 20px