Flexbox was designed as a single-dimensional layout tool — it deals with laying out items as a row or column — but not both at once. It is, however, possible to wrap flex items onto new lines, creating new rows if flex-direction is row and new columns if flex-direction is column. This guide explains flexbox wrapping, what it is designed for, and what situations require Css grid layout rather than flexbox....and what situations require CSS grid layout rather than flexbox...<div>Nine</div> <div>Ten</div> </div> css .box { width: 500px; border:...