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