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