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