.custom-header {
    background-color: #020B17;
    color: #FFFFFF;
    font-family: 'ShareTechMono';
    font-family: 'ShareTechMono';
}

.custom-header .nav-link:hover {
    color: #020B17;
    background-color: #ffffff;
}

.navbar {
    height: 75px;
}

.navbar a {
    font-size: 22px;
}

.navbar img {
    margin-left: 5%;
    margin-right: 1%;
}

.navbar-brand {
    margin-right: 1%;
}

.custom-header {
    font-size: 24px !important;
}

.nav-item .nav-link {
    font-size: 24px;
}

@media (max-width: 768px) {

    .navbar-brand {
        display: none;
    }

    .custom-header {
        font-family: 'ShareTechMono';
        font-size: 12px !important;
    }

    .navbar-collapse {
        margin-left: 0;
        margin-right: 0;
    }

    .navbar-toggler {
        display: flex !important;
        align-items: center;
        height: 30px;
        width: 60px;
        border: none;
    }

    .navbar-nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar img {
        height: 50px;
        width: 50px;
    }

    .nav-item .nav-link {
        font-size: 14px;
    }

    #coursesDropdown {
        font-size: 14px;
    }

    .dropdown-menu {
        position: static;
        float: none;
    }
}


.slider {
    height: 400px;
    max-width: 100%;
}

.carousel-caption p {
    font-family: 'Segoe UI';
}

.carousel-caption h3 {
    font-family: 'ShareTechMono';
}

.carousel-item img {
    height: 400px;
}

.btn-primary {
    background-color: #020B17 !important;
    color: #FFFFFF !important;
    border: none !important;
    font-family: 'ShareTechMono' !important;
    font-size: 24px;
}

.btn-primary:hover {
    background-color: #FFFFFF !important;
    color: #020B17 !important;
    border: none !important;
    font-family: 'ShareTechMono' !important;
}

/* менше 576 пікселів */
@media (max-width: 576px) {
    .carousel-item img {
        max-height: 200px;
        max-width: 100%;
    }

    .carousel-caption p {
        display: none;

    }

    .slider {
        height: 200px;
    }

    .carousel-caption h3 {
        font-size: 24px;
        display: flex;
        justify-content: center;
    }

    .carousel-caption p {
        content: none;
    }

    .carousel-caption .btn {
        font-size: 14px;
    }

}

/* між 576 пікселів і 992 пікселів */
@media (min-width: 576px) and (max-width: 992px) {
    .carousel-item img {
        max-height: 300px;
        max-width: 100%;
    }

    .slider {
        height: 300px;
    }

    .carousel-caption {
        padding: 20px;
    }

    .carousel-caption h3 {
        font-size: 24px;

    }

    .carousel-caption p {
        font-size: 16px;
    }

    .carousel-caption .btn {
        font-size: 14px;
    }
}

@media (max-width: 567px) {
    .carousel-item img {
        max-height: 200px;
        max-width: 100%;
    }

    .slider {
        margin-top: 20px;
        height: 200px;
    }

}

/* більше 992 пікселів */
@media (min-width: 992px) {
    .carousel-item img {
        max-height: 400px;
        max-width: 100%;
    }

    .carousel-caption h3 {
        font-size: 30px !important;
    }

    .carousel-caption p {
        font-size: 24px;
    }

    .carousel-caption .btn {
        font-size: 16px;
    }
}