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