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