freeCodeCamp/server/views/certificate/styles.jade

style.
  @media print {
    * {
      display: none !important;
    }
  }

  @font-face {
    font-family: "Sax Mono";
    src: url("/fonts/saxmono.ttf") format("truetype");
  }

  * {
    margin: 0;
    padding: 0;
  }

  .container {
    max-width: 1500px;
    width: 100%;
    padding: 30px;
    border: darkgreen 15px solid;
    border-radius: 3px;
  }

  .row {
    margin: 0;
  }

  .col-sm-12 {
    padding: 0;
  }

  .certificate-wrapper {
    top: 0;
    position: relative;
    font-family: "Sax Mono", monospace;
  }

  header {
    width: 100%;
    height: 140px;
    /*background-image: url('https://i.imgur.com/1FK6aaN.png');
    background-repeat: no-repeat;
    background-position: top;
    background-size: cover;*/
    background-color: darkgreen;
  }

  .logo {
    display: flex;
    align-items: center;
    height: 140px;
    margin-left: 100px;
  }

  .logo img {
    max-width: 500px;
    width: 100%;
  }

  .issue-date {
    line-height: 140px;
    font-size: 20px;
    text-align: right;
    margin-right: 100px;
    color: #fff;
  }

  .information {
    margin-top: -20px;
    height: 380px;
    text-align: center;
    background-color: #efefef;
  }

  .information-container {
    position: relative;
    top: 50%;
    transform: translateY(-50%);
    margin: 0px 100px;
  }

  p {
    margin: 0;
  }

  h3  {
    font-size: 30px;
  }

  h4 {
    margin-top: 25px;
    font-size: 20px;
  }

  h1 {
    font-size: 40px;
    color: #006400;
  }

  .signatures {
    text-align: center;
    margin: 0 auto;
    background-color: #efefef;
  }

  .signatures img {
    max-width: 300px;
    width: 100%;
    margin: 0 auto;
  }

  .signatures p {
    font-size: 18px;
    padding-top: 10px;
  }

  .verify {
    padding: 30px 0;
    font-size: 15px;
    text-align: center;
    word-wrap: break-word;
    background-color: #efefef;
  }

  /*adds vertical alignment when the height is bigger than required to display everything*/
  @media screen and (min-height: 700px) {
    body {
      display: flex;
      flex-direction: column;
      justify-content: center;
      height: 100vh;
    }
  }

  /*mobile media queries*/
  @media screen and (max-width: 992px) {
    header {
      height: 160px;
    }

    .logo {
      margin-left: 0;
      padding: 20px;
      justify-content: center;
      height: 80px;
    }

    .logo img {
      margin-top: 20px;
    }

    .issue-date {
      margin-top: 10px;
      margin-right: 0;
      text-align: center;
      line-height: 0px;
      word-wrap: break-word;
    }

    .issue-date strong {
      display: block;
      margin-top: 15px;
      line-height: 25px;
    }

    .information {
      height: 300px;
    }

    .information-container {
      margin: 0px 15px;
      text-align: center;
      word-wrap: break-word;
    }

    h3 {
      font-size: 25px;
    }

    h1  {
      font-size: 28px;
    }
  }

  @media screen and (max-width: 675px) {
    .container {
      padding: 0;
      border: 0;
    }

    header {
      height: 190px;
    }

    h3 {
      font-size: 15px;
    }

    h1  {
      font-size: 17px;
    }

    h4 {
      font-size: 15px;
      margin-top: 20px;
    }
  }