@media (max-width: 768px) {
    .btn {
        padding: 0.375rem 0.7rem;
        font-size: 0.7rem;
    }
    .link-phone,
    .link-mail {
        padding-left: 0px;
    }
    .link-phone::before {
        display: none;
        font-size: 
    }
    .link-phone {
        font-size: 0.8rem;
        margin-top: 0;
    }
    .link-mail {
        font-size: 0.7rem;
    }
    ul.navbar-nav {
        padding-left: 0;
        margin-left: 0;
        margin-top: 30px;
        margin-right: -15px !important;
        text-align: right;
    }
    .nav-item-btn .nav-link {
        display: inline-block;
        margin-right: 15px;
    }
    .main-frame img {
        min-height: 700px;
    }
    .offer-container {
        bottom: 50px;
    }
    ul.content-list {
        font-size: 0.9rem;
    }
    .delivery-frame::before {
        display: none;
    }
    input[type="text"], input[type="email"], input[type="url"], input[type="password"], input[type="search"], input[type="number"], input[type="tel"], input[type="range"], input[type="date"], input[type="month"], input[type="week"], input[type="time"], input[type="datetime"], input[type="datetime-local"], input[type="color"], textarea {
        width: 100%;
    }
    .footer-contacts .link-phone,
    .footer-contacts .link-mail {
        padding-left: 0;
    }
}






@media (min-width: 768px) and (max-width: 991px) {
    .logo-link {
        display: block;
        width: 80%;
    }
    .navbar-nav .nav-link, .navbar-expand-md .navbar-nav .nav-link {
        font-size: 0.5rem;
        padding-left: 5px;
        padding-right: 5px;
    }
    .btn {
        padding: 0.375rem 0.7rem;
        font-size: 0.5rem;
    }
    ul.navbar-nav {
        margin-top: 0px;
    }
    h1.page-main-title, .page-main-title-secondary-text {
        font-size: 1rem;
    }
    ul.content-list {
        font-size: 0.7rem;
    }
    .footer-text {
        font-size: 0.8rem;
    }
    .footer-form-title {
        font-size: 0.8rem;
        margin-bottom: 10px;
    }
    .footer-form-title-text {
        font-size: 0.7rem;
        margin-bottom: 10px;
    }
}






@media (min-width: 992px) and (max-width: 1199px) {
    .item-portfolio .item-portfolio-title {
        font-size: 0.7rem;
    }
    .item-portfolio .item-portfolio-company {
        font-size: 0.6rem;
    }
    .delivery-frame::before {
        width: 20%;
        top: 30%;
    }
    ul.materials-list {
        font-size: 0.9rem;
    }
    h1.page-main-title, .page-main-title-secondary-text {
        font-size: 1.3rem;
    }
    .navbar-nav .nav-link, .navbar-expand-md .navbar-nav .nav-link {
        font-size: 0.64rem;
    }
    .header-contacts .link-phone {
        font-size: 0.9rem;
    }
}






@media (min-width: 1200px) and (max-width: 1399px) {
    .delivery-frame::before {
        width: 25%;
        top: 30%;
    }
}






@media (min-width: 1400px) and (max-width: 1599px) {
    .delivery-frame::before {
        width: 28%;
    }
}






@media (min-width: 1600px) and (max-width: 1919px) {
    .delivery-frame::before {
        width: 23%;
        top: 25%;
    }
}






@media (min-width: 1920px) and (max-width: 2555px) {
    .delivery-frame::before {
        width: 20%;
        top: 18%;
    }
}