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