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