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