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