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