html
<!DOCTYPE html>
<html>
<head>
<title>CSS Positioning Exercise</title>
<style>
/* Write your code here */
.red-circle{
background-color: red;
width:200px;
height:200px;
border-radius: 50%;
position: absolute;
top: 150px;
left: 250px;
}
.blue-box{
background-color: blue;
width:500px;
height:300px;
position: relative;
top: 200px;
left:200px;
}
</style>
</head>
<body>
<div class="blue-box">
<div class="red-circle">
</div>
</div>
</body>
</html>Result
