<head><linkrel="stylesheet"href="sample.css"></head><divclass="items"><divclass="item">Item01</div><divclass="item">Item02</div><divclass="item">Item03</div><divclass="item">Item04</div></div>
.items{display: flex; justify-content: center; align-items: center; width: 1000px; height: 500px; gap: 10px; background-color: green; }.item{width: 150px; height: 300px; background-color: black; color: white; display: flex; justify-content: center; align-items: center; }
