#course-header {
    background-image: url('../images/bg-detail.jpg');
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: top center;
    width: 100%;
    min-height: 100%;
    padding: 75px 0px;
}

#course-details {
    background-image: url('../images/bg-datadetail.jpg');
    background-size: 100% auto;
    background-repeat: repeat;
    background-position: top center;
    width: 100%;
    min-height: 100%;
}

#block-topic {
    padding: 50px;
    background-color: rgba(217, 217, 217, 15%);
    border-radius: 25px;
}


.grid-gap-5 {
    gap: 5px!important;
}