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