Check out example codes for "link css html". It will help you in understanding the concepts better.
Code Example 1
<head>
<link rel="stylesheet" type="text/css" href="theme.css">
</head>
Code Example 2
<link rel=“stylesheet” type=“text/css” href=“style.css” />
Code Example 3
<link rel="stylesheet" href="styles.css">
Code Example 4
<link rel="stylesheet" href="PathToYourFile.css">
Code Example 5
<!-- this is a link tag -->
<link rel="" href="">
<!-- href is the location of your external ressource
list of rel used with a link tag (popular) :
- stylesheet (css)
- alternate
- author
- external
- incon
- index
-->
Code Example 6
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css"
href="mystyle.css">
</head>
<body>
<h1>This is a heading</h1>
<p>This is a paragraph.</p>
</body>
</html>
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