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