/* Add a black background color to the top navigation */
.topnav  {
    background-color: #333;
    overflow: hidden;
}

/* Style the links inside the navigation bar */
.topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

/* Change the color of links on hover */
.topnav a:hover {
    background-color: #ddd;
    color: black;
}

/* Add a color to the active/current link */
.topnav a.active {
    background-color: #04AA6D;
    color: white;
}

.modal-content {
    width: 300px;
    height: 250px;
    margin: auto;
    position: absolute;
    top: 10px;
    right: 100px;
    bottom: 0;
    left: 0;
}

/* Right-aligned section inside the top navigation */
.topnav-right {
    float: right;
}