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