<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>absolute</title>
<style>
div {
width: 100px;
height: 100px;
}
.absolute {
position: absolute;
}
.blue {
width: 200px;
height: 200px;
background-color: blue;
top: 208px;
left: 208px;
}
.yellow {
background-color: yellow;
top: 50px;
left: 50px;
}
.red {
background-color: red;
top: 100px;
left: 100px;
}
.green {
background-color: green;
top: 300px;
left: 300px;
}
.black {
background-color: black;
width: 50px;
height: 50px;
top: 50px;
left: 50px;
}
.blue_margin {
width: 200px;
height: 200px;
background-color: blue;
margin-top: 200px;
margin-left: 400px;
}
</style>
</head>
<body>
<div class="blue absolute">
<div class="red absolute"></div>
<div class="yellow absolute">
<div class="black absolute"></div>
</div>
<div class="green absolute"></div>
</div>
<div class="blue">
<div class="red"></div>
<div class="yellow"></div>
<div class="green"></div>
</div>
<div class="blue_margin"></div>
</body>
</html>
