index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Blue Bouncing Ball</title>
    <link rel="stylesheet" type="text/css" href="styles.css" />
  </head>
  <body>
    <main>
      <div class="sign">
        <span class="fast-flicker">bo</span>u<span class="flicker">n</span>ce
      </div>
      <div class="scene">
        <div class="floor"></div>
        <div class="cube">
          <div class="front"></div>
          <div class="back"></div>
          <div class="left"></div>
          <div class="right"></div>
          <div class="top">
            <div class="ballShadow"></div>
          </div>
          <div class="bottom"></div>
        </div>
        <div class="ball"></div>
      </div>
    </main>
  </body>
</html>