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