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