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