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