@media (max-width:600px) {
    .header_section .top-bar {
        height: auto;
    }

    .top-bar .top_1 {
        width: 100%;
    }

    .top-bar .top_2 {
        width: 100%;
    }

    .top-bar .top_3 {
        width: 100%;
    }

    .social_1 iframe {
        width: 350px;
        margin-bottom: 25px;
    }

    .counter-image {
        height: 120vh;
    }

    .counter-div .row .card-title {
        font-size: 4vh;
    }

    .counter-div .row .col-md-4 span {
        font-size: 6vh;
    }

    .custom_nav-container .navbar-nav .nav-item .dropdown-menu {
        position: relative;
        top: 0px;
        width: 330px;
        margin-left: 20px;
        margin-right: 20px;
    }

    .login_form {
        width: 100%;
        margin: 0px;
    }

    .img-nda img {
        width: 100%;
    }

    .sub-menu {
        width: 150px !important;
    }
}

@media (min-width:600px) {
    .header_section .top-bar {
        height: auto;
    }

    .top-bar .top_1 {
        width: 100%;
    }

    .top-bar .top_2 {
        width: 100%;
    }

    .top-bar .top_3 {
        width: 100%;
    }

    .social_1 iframe {
        width: 400px;
    }

    .counter-image {
        height: 120vh;
    }

    .custom_nav-container .navbar-nav .nav-item .dropdown-menu {
        position: relative;
        top: 0px;
        width: 330px;
        margin-left: 20px;
        margin-right: 20px;
    }

    .login_form {
        width: 100%;
        margin: 0px;
    }

    .img-nda img {
        width: 100%;
    }
}

@media (min-width:752px) {
    .header_section .top-bar {
        height: auto;
    }

    .top-bar .top_1 {
        width: 100%;
    }

    .top-bar .top_2 {
        width: 100%;
    }

    .top-bar .top_3 {
        width: 100%;
    }

    .social_1 iframe {
        width: 400px;
    }

    .counter-image {
        height: 55vh;
    }

    .custom_nav-container .navbar-nav .nav-item .dropdown-menu {
        position: relative;
        top: 0px;
        width: 330px;
        margin-left: 20px;
        margin-right: 20px;
    }

    .login_form {
        width: 500px;
        margin: 0px auto;
    }

    .img-nda img {
        width: 90%;
    }
}

@media (min-width:991px) {
    .header_section .top-bar {
        margin: 0px;
    }

    .top-bar .top_1 {
        width: 20%;
    }

    .top-bar .top_2 {
        width: 50%;
    }

    .top-bar .top_3 {
        width: auto;
    }

    .social_1 iframe {
        width: 600px;
    }

    .custom_nav-container .navbar-nav .nav-item .dropdown-menu {
        position: absolute;
        top: 39px;
        width: auto;
    }

    .img-nda img {
        width: 85%;
    }
}

@media (min-width:1200px) {
}

@media (min-width:1500px) {
}