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