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