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<head>
<link rel="stylesheet" href="../css.style">
</head>
xxxxxxxxxx
<head>
<!-- Linking external Css document -->
<link rel="stylesheet" href="styles.css">
<!-- Writing Css inside HTML element -->
<style>
</style>
</head>
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<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css"> <!--Copy this line of code-->
</head>
<body>
</body>
</html>
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Title</title>
<link rel="stylesheet" type="text/css" href="path of your file" />
</head>
</html>
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<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="style.css">
</head>
<body>
<!-- Your HTML content goes here -->
</body>
</html>
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<link rel="stylesheet" href="styles.css">
//Replace styles.css with your css file path