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