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