For this set of exercises, use JsFiddle. You can write HTML in the upper-left corner and CSS in the upper-right corner.
HTML snippet:
<!DOCTYPE html>
<html>
<head>
<title>My First Web Page</title>
</head>
<body>
<h1>Welcome to My Web Page</h1>
<p>This is a paragraph of text on my webpage.</p>
<a href="https://www.example.com">Visit Example.com</a>
</body>
</html>
CSS snippet:
p {
color: blue;
font-size: 36px;
}