CloseTag | الشروحات | CSS | ديكور خطوط النصوص في CSS | CSS Text Decoration Line

<!DOCTYPE html>
<html>
<head>
<style>
h1 
{
  text-decoration-line:underline;
}
</style>
</head>
<body>

<h1>This is heading 1</h1>
<h2>This is heading 2</h2>
<h3>This is heading 3</h3>

</body>
</html>