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