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