* {
      box-sizing: border-box;
    }

    body {
      background-color: #f7f7f7;
      color: #585858;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      margin: 0;
      padding: 0;
      user-select: none;
      -webkit-user-select: none;
    }

    .interstitial-wrapper {
      box-sizing: border-box;
      font-size: 1em;
      line-height: 1.4em;
      margin: 20px auto 0;
      max-width: 600px;
      width: 100%;
      position: relative;
      padding-bottom: 16px;
    }

    .instructions {
      font-size: 20px;
      line-height: 1.3;
      text-align: center;
      margin: 0 0 10px;
      color: #555;
    }

    .runner-container {
      height: 200px;
      max-width: 600px;
      overflow: visible;
      position: relative;
      margin: 0 auto;
      width: 44px;
      z-index: 2;
    }

    .runner-canvas {
      height: 200px;
      max-width: 600px;
      opacity: 1;
      overflow: hidden;
      position: absolute;
      top: 0;
      left: 0;
    }

    .controller {
      background: rgba(247, 247, 247, .1);
      height: 100vh;
      left: 0;
      position: absolute;
      top: 0;
      width: 100vw;
      z-index: 1;
    }

    #offline-resources {
      display: none;
    }

    @media (max-width: 700px) {
      .interstitial-wrapper {
        padding: 0 10px 16px;
        margin-top: 12px;
      }
      .instructions {
        font-size: 18px;
      }
      .runner-container {
        max-width: 100%;
      }
    }