@media screen and (max-width: 767px) {
    body {
        overflow-x: hidden;
    }

    .btn-check:focus + .btn, .btn:focus {
        box-shadow: none;
    }

    #header {
        padding: 10px;
    }

    #header .logo {
        width: 90%;
    }

    #header .col-9 {
        display: none;
    }

    #header .mobile-menu {
        display: block;
    }

    #header .mobile-menu button i {
        font-size: 20px;
        vertical-align: middle;
        color: #34383c;
    }

    .mobile-menu .offcanvas-end {
        width: 250px;
    }

    #header .mobile-menu ul {
        flex-direction: column;
        text-align: right;
    }

    .mobile-menu .dropdown-menu {
        border: 0;
    }

    .mobile-menu .dropdown-item:focus, .dropdown-item:hover {
        background-color: inherit;
    }

    .mobile-menu ul li {
        margin: 0;
    }

    .mobile-menu .offcanvas-body button {
        float: left;
    }

    #introduce {
        padding: 20px;
    }

    #introduce #awards .introduce h3,
    #products h3,
    #contact h4 {
        font-size: 30px;
    }

    #introduce .introduce p {
        font-size: 12px;
    }

    #introduce .d-flex {
        flex-direction: column;
    }

    #introduce .col-6 {
        width: 100%;
    }
    
    #introduce figure {
        text-align: center;
    }

    #introduce .d-flex img {
        max-width: 220px;
    }

    .community-item div {
        padding: 20px;
        margin-right: 95px;

    }

    #products .product-box {
        padding: 20px 50px 0;
        max-width: 400px;
    }


    #contact {
        padding: 20px;
    }

    #contact h4 {
        margin-bottom: 30px;
    }

    #contact .d-flex {
        flex-direction: column;
    }

    #contact .d-flex > div {
        width: 100%;
    }

    #contact .col-5 {
        text-align: center;
    }

    #contact .copyright {
        padding: 10px;
    }

    .copyright span {
        font-size: 10px;
        text-align: center;
    }
}