#nav {
    position: absolute;
    bottom: 0;
}

#tabs {
    display: inline-block;
}

#tabs>button {
    border: none;
    font-size: 16px;
}

#active {
    background: #9fcaff;
}

#content>div {
    display: none;
}


.menu {
    position: relative;
    display: inline-block;
}

.menu-button {
    background-color: #4096ff;
    color: white;
    border: none;
    font-size: 16px;
}

.menu-content {
    display: none;
    position: absolute;
    bottom: 28px;
    background-color: #ffffff;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
}

.menu-content a {
    color: black;
    padding: 8px;
    text-decoration: none;
    display: block;
}

.menu-content a:hover {
    background: #9fcaff;
}

.menu:hover .menu-content {
    display: block;
}