index.html

<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
  <title>Art Gallery</title>
  <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" user-scalable="yes">
<link href="https://fonts.googleapis.com/css2?family=Rajdhani&display=swap" rel="stylesheet"><link rel="stylesheet" href="./style.css">

</head>
<body>
<!-- partial:index.partial.html -->
<div class="cc" id="canvas_container1"></div> 
<div class="cc" id="canvas_container2"></div> 

<div class="pngLights"></div> 
<div class="bg"></div>  

<div class="buttons">   
    <div class="btn btn_Light">Light OFF</div>
    <a href="https://cieldev.net/works" target="_blank" class="btn btn_Works">My Works</a>
</div>

<div class="floor"></div>
<!-- partial -->
  <script src='https://cdnjs.cloudflare.com/ajax/libs/three.js/r121/three.min.js'></script><script  src="./script.js"></script>

</body>
</html>