.Link{background-color:#5200FF}.header{display:flex;flex-flow:row;justify-content:center;align-items:center;gap:0px;width:720px;height:343px;overflow:scroll;aspect-ratio:4 / 3}.nav{display:grid;grid-template-columns:repeat(15,1fr);grid-template-rows:repeat(4,auto);grid-auto-flow:row;justify-content:space-around;align-content:center}.heading{display:flex;justify-content:center;align-items:center;color:#5000FF;font-size:25px}.grid{display:grid;grid-template-columns:repeat(3,1fr)}