index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="color-scheme" content="dark light">
    <title>Project Title</title>
    
    <link rel="stylesheet" href="https://raw.githubusercontent.com/TheThomaas/css-stylesheet/master/main.css">
    <script src="https://raw.githubusercontent.com/TheThomaas/css-stylesheet/master/theme-switcher.js" defer></script>

    <link rel="stylesheet" href="main.css">
</head>
<body>
    <div class="project">
        <h1 class="project-title">Dark Mode Switch</h1>
        <label class="switch theme-toggler">
            <input type="checkbox" class="checkbox-toggle">
            <span class="slider"></span>
        </label>

        <p class="project-description">A page with both light and dark mode support</p>
        
        <div class="project-content">
            
        </div>
    </div>
</body>
</html>