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