:before, *::after {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html, body {
      height: 100%;
    }

    body {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 50px;
      background-color: #18191C;
      color: #FFFFFF;
      font-family: "Roboto", sans-serif;
      font-size: 18px;
    }

    code {
      font-family: "Roboto Mono", monospace;
    }

    h1 {
      font-size: 30px;
      font-weight: 500;
      line-height: 1