body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
  }
  
  .topnav {
    overflow: hidden;
    background-color: #FFFF;
  }
  
  .topnav a {
    float: left;
    color: black;
    text-align: end;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 15px;
  }
  
  .topnav a:hover {
    color: red;
  }
  
  .topnav a.active {
    color: red;
  }

  .logo {
    width: 200px;
    height: 50px;
    padding-right: 480px;
    padding-left: 30px;
  }

  .header-container{
    display: flex;
    align-items: center;
  }