@media screen and (max-width: 768px ) {

    /* NAVBAR */
    .logo-section {
        width: 100%;
    }

    .nav-main-text {
        position: relative;
        font-size: 14px;
        letter-spacing: 3px;
    }

    .nav-sub-text {
        position: relative;
        top: 5px;
        font-size: 10px;
        letter-spacing: 2px;
    }

    .nav-link {
        font-size: smaller;

    }


    /* MAIN SECTION */
    #main-section {
        display: none;

    }


    /* FIRST SECTION */
    #first-section {
        display: none;
    }


    /* SECOND SECTION */
    #second-section {
        display: none;
    }


    /* THIRD SECTION */
    #third-section {
        display: none;
    }


    /* FOOTER SECTION */
    #footer-section {
        width: 100%;
    }

    /*Slide Show*/
    .viewport-header {
        position: absolute;
        top: 150px !important;
        left: 50px !important;
    }

    #navbarSupportedContent {
        padding-left: 20px;
    }

    .mobileVisibilityOff {
        display: none;
    }

    .mobileVisibilityOn {
        display: block;
    }

    .testimonialWidth {
        padding: 0px 0px !important;
    }

}