Element block pseudo-class :active generated with box-sizing content-box box-shadow 3px 1px 1px rgba(0,0,0,0.3) z-index auto transform background margin 0px float none border 4px rgba(0,0,0,1) solid font-size 16px padding 20px cursor default line-height 1 display block height auto border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-weight normal transition position static overflow hidden width 160px