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