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