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