.mob {
    display: none;
    visibility: hidden;
}

#mob1 {
    display: none;
}

@media screen and (max-width: 720px) {
    .mob {
        display: block;
        visibility: visible;
    }

    #mob1 {
        display: block;
    }

    .yamm-content {
        max-width: 100%;
    }

    #navbar {
        border: 0px red solid;
        max-width: 100%;
    }

    #main-nav {
        width: 100%;
    }
}

.dropbtn {
    border: none;
    cursor: pointer;
}

    .dropbtn:hover, .dropbtn:focus {
        background-color: #f60;
    }

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

.ges-content {
    display: none;
    position: absolute;
    background-color: #f1f1f1;
    min-width: 160px;
    overflow: auto;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

    .ges-content a {
        color: black;
        padding: 12px 16px;
        text-decoration: none;
        display: block;
    }

/*.dropdown a:hover {background-color: #ddd;}*/

.show {
    display: block;
}