body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.topnav {
    overflow: hidden;
    background-color: #360269;
    filter: drop-shadow(5px 5px 10px #000000);
}

.topnav a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.topnav a:hover {
    background-color: #f684a3; 
}

.topnav a.active {
    background-color: #e01a4f;
    color: white;
}

.topnav .icon {
    display: none;
}

@media screen and (max-width: 800px) {
    .topnav a:not(:first-child) {display: none;}
    .topnav a.icon {
    float: right;
    display: block;
    }
}

@media screen and (max-width: 800px) {
    .topnav.responsive {position: relative;}
    .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
    }
    .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
    }
}