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