body {
    background-color: white;
    margin: 0;
    padding: 0;
}

ul.menubar {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: lightgray;
}
  
ul.menubar li {
    float: left;
}
  
ul.menubar li:last-child {
    border-right: none;
    float: right;
}
  
ul.menubar li a {
    display: block;
    color: black;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
 }
  
ul.menubar li a:hover:not(.active) {
    background-color: darkgray;
    color: white;
}
  
ul.menubar li a.active {
    background-color: #04AA6D;
}

footer {
    background-color: lightgray;
}


#middle {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background-color: white;
    margin: 0;
    padding: 10px;
}