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