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