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