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