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