.course-item {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 1fr 1fr 1.5fr;
    box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15) !important;
    padding: 10px 20px;
    align-items: center;
    border-radius: 10px;
}

.course-item .course-info {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 10px;
}

.course-item .course-date {
    font-weight: 700;
}

.top_course {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr 1fr 1fr 1fr 1.5fr;
    align-items: end;
    padding: 20px 20px 10px;
}

.top_course span {
    text-align: center;
    font-weight: 700;
}

.course-action {
    display: grid;
    gap: 10px;
    text-align: center;
    padding-left: 20px;
}

.course-item .course {
    position: relative;
}

.course-item .course::before {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    content: '';
    width: 1.5px;
    height: 50px;
    background: #ddd;
}

.course-item p {
    margin-bottom: 0;
}

.url_dangky {
    padding: 5px 10px;
    border-radius: 5px;
    font-weight: 700;
}

.url_xemchitiet {
    color: #4b7dd9;
    font-weight: 700;
}

.course-list {
    display: grid;
    gap: 20px;
}

.course-hocphi span.sotien {
    font-size: 20px;
}

.noi_dung {
    display: grid;
    grid-template-columns: 200px 1fr 1.5fr;
    gap: 20px;
    align-items: center;
    background: #f5f9fe;
    border: 1px solid #e4edfe;
    border-radius: 10px;
    padding: 0 30px;
}

.noi_dung svg {
    width: 30px;
    fill: #fff;
}

.dungdan {
    display: flex;
    align-items: center;
    gap: 10px;
}

.dungdan a {
    font-weight: 700;
}

.url_tuvan {
    padding: 10px 20px;
    background: #0553c1;
    color: #fff;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border-radius: 10px;
    border: 1px solid #f5f9fe;
}

.noi_dung .url_kiemtra svg {
    fill: #0553c1;
}

.url_kiemtra {
    padding: 10px 20px;
    background: transparent;
    color: #0553c1;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border-radius: 10px;
    border: 1px solid #0553c1;
}

@media screen and (max-width: 991px) {

    .about-sec .header_section p,
    .main-btn {
        width: 100% !important;
    }
    
    .dungdan {
        display: grid;
    }

    .full-course-search,
    .course-item,
    .noi_dung {
        grid-template-columns: 1fr !important;
    }

    .top_course {
        display: none;
    }

    .course-item {
        gap: 10px;
        margin: 10px;
    }

    .course-item .course::before {
        width: 0;
    }

    .course-item .course {
        width: 60%;
        margin: auto;
    }

    .course-info.course{
        width: 100%;
    }
}