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