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