margin-top: 1rem;
        margin-bottom: 1rem;
      }
      .helpers.with-shadow {
        box-shadow: 0 0 5px #eee;
      }
      .helpers.with-shadow.big {
        box-shadow: 0 0 10px #d5d5d5;
      }
    </style>
  </head>
  <body>

    <div class="container">
      <div class="row helpers with-top-gap centered">
        <h3>
          Demos - Elm Playground
        </h3>
        <p>
          Back to repository:
          <a href="https://github.com/maciejsmolinski/elm-playground" target="_blank">
   