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