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