body {
    margin: 0;
  }

  main section {
    width: 100%;
    height: 100vh;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
  }

  main section div:first-child {
    width: 100%;
    height: 70px;
    position: sticky;
    top: 0;
    z-index: 2;
  }

  h1 {
    font-size: 100px;
    text-align: center;
    position: relative;
    top: 25vh;
    z-index: 1;
    color: black;
  }

  h3 {
    margin: 0;
    padding: 24px;
    color: white;
  }

  #sec-1 div:first-child {
    background-color: rgb(184, 50, 2);
  }
  #sec-1 {
    background-color: white;
  }

  #sec-2 div:first-child {
    background-color: rgb(19, 0, 116);
  }
  #sec-2 {
    background-color: #03a9c6;
  }

  #sec-3 div:first-child {
    background-color: rgb(69, 69, 69);
  }
  #sec-3 {
    background-color: rgb(88, 88, 88);
  }

  #sec-4 div:first-child {
    background-color: rgb(128, 45, 0);
  }
  #sec-4 {
    background-color: #fc0303;
  }