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