20-width-height/index.html

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Javascript Nuggets</title>
    <link rel="stylesheet" href="../global.css" />
    <style>
      body {
        min-height: 130vh;
      }
      h1 {
        text-align: center;
      }
      .btn {
        display: block;
        width: 200px;
        margin: 0 auto;
        margin-top: 3rem;
      }
      .box {
        width: 150px;
        height: 150px;
        background: grey;
        /* margin: 0 auto; */
        margin-top: 4rem;
        margin-left: -1rem;
      }
    </style>
  </head>
  <body>
    <h1>Width/Height</h1>
    <button class="btn">Get Dimensions</button>
    <div class="box"></div>
    <script src="./app.js"></script>
  </body>
</html>