link html css

CSS
    <head>

       
      <link rel="stylesheet" type="text/css" href="theme.css">

    </head>
 <link href="main.css" rel="stylesheet">    <link rel="stylesheet" type="text/css" href="<?php echo CHEMIN_VUES?>css/style.css"><head>
      <link rel="stylesheet" type="text/css" href="theme.css"> 
</head>
   <!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>
Source

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