HTML
CSS
JavaScript
<div class='container'><div class='box'>Box with Height</div></div>
.container { background-color: #f0f0f0; padding: 20px; text-align: center; } .box { height: 150px; width: 150px; background-color: #3498db; color: white; display: flex; align-items: center; justify-content: center; border-radius: 10px; }
// No JavaScript required for this demo
Box with Height