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