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