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