@media screen and (max-width: 1199px) {}
@media screen and (max-width: 991px) {
	.hamburger{
		display: block;
	}
    .main_menu, .contact-header {
        display: none;
    }
    .main_menu {
        position: absolute;
        width: 100%;
        top: 78px;
        left: 0;
        background: #fff;
        box-shadow: 0 1px 7px rgb(0 0 0 / 16%);
        padding-bottom: 20px;
        border-radius: 0;
    }
    .main_menu li {
        display: block;
        float: initial !important;
        padding: 10px 20px;
    }
    .main_menu li a {
        color: #000;
    }
    #header .container {
        justify-content: center;
    }
    .section_home {
        padding-top: 0;
        
    }
    .section_home:before {
        opacity: .4;
    }
    .section_home .item {
        background-size: 100% 100% !important;
        background-position: center !important;
    }
    .cont-txt-home {
        padding: 10px;
    }
    .home_txt {
        transform: translateY(-280%);
        width: 100%;
    }
    .option-site .btn-site {
        padding: 0 10px;
    }
    .sec_head h2 {
        font-size: 27px;
    }
    .txt-about {
        margin-bottom: 40px;
    }
    .about_thumb img {
        max-width: 100%;
    }
    .item-serv {
        display: block;
    }
    .item-serv figure img {
        width: 100%
    }
    .item-serv .txt-serv {
        width: 100%;
    }
    .btn-viewAll {
        top: -35px;
    }
    .nav-tabs .nav-link {
        padding: 10px 10px;
        margin: 0 5px;
    }
    .item-port {
        margin-bottom: 30px;
    }
    .l-arrow:before, .about-analysis:after, .r-arrow:before {
        display: none
    }
    .lay-bottom {
        padding-top: 0rem;
        display: block;
    }
    .lay-bottom  .trans-box,.lay-bottom  .about-box {
        left: 50%;
        transform: translateX(-50%) !important;
        margin: 5px 0 !important
    }
    .sec-contact .list-contact {
        flex-direction: column;
    }
    .content-testi {
        display: block;
        padding-left: 5%;
    }
    .section_testimonials .sec_head {
        width: 100%;
    }
    .section_testimonials .owl-carousel {
        width: 100%;
        padding-left: 0;
    }
    .content-download li {
        margin: 10px 0;
    }
    .item-blog {
        margin-bottom: 30px;
    }
    .copyRight {
        margin-bottom: 15px;
    }
    .top-footer {
        justify-content: center;
    }
    .bottom-footer {
        flex-direction: column;
    }
    .sec-contact {
        width: 100%;
    }    
    
        
        
}
@media screen and (max-width: 767px) {
    .hamburger{
		display: block;
	}
    .main_menu, .contact-header {
        display: none;
    }
    .section_home {
        padding-top: 0;
    }
    .section_home:before {
        opacity: .4;
    }
    
    .d-flex {
        width: 100%;
        display: block !important;
    }
    .d-flex .form-group {
        width: 100%;
        margin-bottom: 20px;
    }
    .form-join:before {
        display: none;
    }
    
    
}
@media screen and (max-width: 500px) {
	
}