* {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
        font-family: Arial, Helvetica, sans-serif;
        line-height: 1;
      }

      body {
        color: #333333;
        overflow: hidden;
        background: #111111;
      }

      #score {
        position: fixed;
        color: white;
        font-size: 13px;
        padding: 5px;
        user-select: none;
        z-index: 99;
      }

      #score p {
        display: inline-block;
        margin-right: 10px;
      }

      button:focus {
        outline: none;
      }

      #modelEl {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        padding: 1em;
        text-align: center;
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 999;
      }

      #modelEl > div {
        width: 100%;
        max-width: 350px;
        padding: 1.5em;
        background: white;
      }

      #modelEl h1 {
        font-size: 3em;
        font-weight: 600;
      }

      #modelEl p {
        font-size: 14px;
      }

      #modelEl button {
        width: 100%;
        margin-top: 1.5em;
        border: none;
        color: white;
        cursor: pointer;
        border-radius: 2em;
        padding: 1em 2em;
        background: dodgerblue;
        transition: all 0.3s ease;
      }

      #modelEl button:hover {
        opacity: 0.8;
      }

      canvas {
        width: 100%;
        height: 100%;
        overflow: hidden;
      }