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