@media only screen and (min-width: 767px) {
    .mainmenu .collapse ul li:hover>ul {
        display: block;
    }

    .mainmenu .collapse ul ul {
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 190px;
        display: none;
    }

    /*******/
    .mainmenu .collapse ul ul li {
        position: relative;
    }

    .mainmenu .collapse ul ul li:hover>ul {
        display: block;
    }

    .mainmenu .collapse ul ul ul {
        position: absolute;
        top: 0;
        left: 100%;
        min-width: 100px;
        display: none;
    }

    /*******/
    .mainmenu .collapse ul ul ul li {
        position: relative;
    }

    .mainmenu .collapse ul ul ul li:hover ul {
        display: block;
    }

    .mainmenu .collapse ul ul ul ul {
        position: absolute;
        top: 0;
       
        min-width:300px;
        display: none;
        z-index: 1;
    }

}
@media (max-height: 500px) {
    #intro {
        height: 100%;
    }

}
@media screen and (min-width:768px) {
    .photo-gallery img {
        width: 60%;
    }
}

@media screen and (min-width:1200px) {
    .photo-gallery a img {
        width: 100%;
    }

}
@media only screen and (max-width: 480px) {

.logo_content img {
    width: 15%;
    margin: 0 auto;
}
.logo_content .logo-txt h1
{
    font-size: 20px;
}
.logo_content
{
    text-align: center;
}
.logo_content .logo-txt p
{
    font-size: 16px;
}
.navbar-light .navbar-toggler-icon
{
    filter: invert(100%);
}
}
@media only screen and (max-width: 767px) {
    .navbar-nav .show .dropdown-menu .dropdown-menu>li>a {
        padding: 16px 15px 16px 35px;
    }

    .navbar-nav .show .dropdown-menu .dropdown-menu .dropdown-menu>li>a {
        padding: 16px 15px 16px 45px;
    }
}