<div class="box1">BOX 1</div>
<div class="box2">BOX 2</div>
<div class="box3">BOX 3</div>
.box1 {
background-color: skyblue;
width: 100px;
height: 100px;
position: absolute;
top: 0;
left: 0;
}
.box2 {
background-color: yellow;
width: 100px;
height: 100px;
position: absolute;
top: 30px;
left: 30px;
}
.box3 {
background-color: red;
width: 100px;
height: 100px;
position: absolute;
top: 60px;
left: 60px;
}
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