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