<!DOCTYPE html>
<html>
<head>
<title>CSS ID</title>
<style>
#line_1 {
color: #FF6633;
margin-left: 20px;
}
#line_2 {
color: #FFF;
font-size: 20px;
background-color: #FF6633;
}
</style>
</head>
<body>
<p id="line_1">This is a first paragraph.</p>
<div id="line_2">This is a first section.</div>
</body>
</html>
