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