* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 10px;
    margin-bottom: 12px;
}

.img-div {
    flex: 35%;
    max-width: 35%;
    border: 1px solid black;
    border-left-width: 10px;
    border-top-width: 10px;
    padding: 10px;
}

.content-div {
    flex: 65%;
    max-width: 65%;
    padding: 0 70px;
    line-height: 22px;
}

.img-div img {
    object-fit: contain;
    padding: 0;
}

@media (max-width:600px) {
    .img-div {
        flex: 100%;
        max-width: 100%;
        margin-bottom: 15px;
    }

    .img-div img {
        width: 100%;
    }

    .content-div {
        flex: 100%;
        max-width: 100%;
        text-align: justify;
        padding: 0 50px;
    }

    .content-div > h1{
        text-align: center;
        border-left:5px solid black;
        border-right:5px solid black;
    }
}

p {
    text-align: justify;
}

.topnav {
    overflow: hidden;
    background-color: #333;
  }
  
  .topnav a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 1.15rem;
  }  

  .topnav a:not(.active){
    margin-left:20px;
  }
  
  .topnav a:hover {
    background-color: red;
    color: yellow;
  }
  
  .topnav a.active {
    background-color: #333;
    color: white;
    font-size: 1.25rem;
    margin-left:125px;
  }
  
  .topnav .icon {
    display: none;
  }
  
  .home{
    margin-left:600px;
  }
  
  @media screen and (max-width: 600px){
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
      float: right;
      display: block;
    }
    .topnav a.active{
        margin-left:0;
    }
  }
  
  @media screen and (max-width: 600px){
    .topnav.responsive {position: relative;}
    .topnav.responsive .icon {
      position: absolute;
      right: 0;
      top: 0;
    }
    .topnav.responsive a {
      float: none;
      display: block;
      text-align: left;
    }
  }