* {
    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;
  }