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