<html>
<head>
<style>
.large {
width: 400px;
background-color: crimson;
}
.medium {
width: 300px;
background-color: red;
}
.small {
width: 150px;
background-color: pink;
}
</style>
</head>
<body>
<h1>City Population Comparison</h1>
<h3>The following are approximate values</h3>
<p class="medium">Pittsburgh: 300,000</p>
<p class="small">Hollywood: 150,000</p>
</body>
</html>]]>Make sure to pick 150px
.