<div class="container">
<div class="item">
</div>
</div>
.container {
width: 300px;
height: 300px;
background-color: blue;
position: relative;
}
.item {
width: 100px;
height: 100px;
background-color: aqua;
position: absolute;
top: 40px;
left: 80px;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.