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