Answer:
HR tags are horizontal breaks in a document.
Your code should look like this:
<html>
<head>
</head>
<body>
<h1>
first heading
</h1>
<h3>
other headings
</h3>
</body>
</html>
<style>
body {
background-color: #505693;
color: #FFFFFF;
}
hr {
background-color: #6A5ACD;
}
</style>
