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