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