* {
    box-sizing: border-box;
  }

  h1 {
    font-size: 40px;
  }
  
  h2 {
    font-size: 30px;
  }

  h3 {
    font-size: 22px;
  }

  h4 {
    font-size: 18px;
  }

  h5 {
    font-size: 16px;
    font-weight: 400;
  }
  
  p {
    font-size: 14px;
  }
  
  .margin-left {
    margin-left: 20px;
  }

  .margin-right {
    margin-right: 20px;
  }

  html {
    height: 100%;
    box-sizing: border-box;
  }
  
  body {
    font-family: Arial;
    margin: 0;
    /* background-color: #5f1900; */
    background-color: #481109;
    height: 100%;
  }

  .heading {
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    color: #333;
  }

  .wrapper {
    min-height: 100%;
    display: grid;
    grid-template-rows: auto auto 1fr auto;
  }

  .header {
    text-align: center;
  }

  .header-background {
    z-index: 2;
    margin: 8px 0;
  }
  
  .navbar {
    display: flex;
    background-color: #ab9b6e;
  }
  
  .navbar a {
    color: white;
    padding: 12px 20px;
    text-decoration: none;
    text-align: center;
  }
  
  .navbar a:hover {
    background-color: #ddd;
    color: black;
  }

  .main-image {
    z-index: 1;
    width: 100%;
  }
  
  .main {
    flex: 70%;
    color: white;
    padding: 20px;
    background-image: url("../images/bg.jpg");
  }

  article {
    display: flex;
    justify-content: space-between;
  }

  .article-image {
    width: 20%;
  }
  
  .footer {
    padding: 20px;
    text-align: center;
    background: #ab9b6e;
    width: 100%;
  }

  @media screen and (max-width: 700px) {
    .row, .navbar {   
      flex-direction: column;
    }

    .article-image {
      display: none;
    }

    .margin-left {
      margin-left: 0;
    }

    .margin-right {
      margin-right: 0;
    }
  }