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