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