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