body {
    background: #f5f7fb;
}

.logo{
    width:200px;
    border-radius:20px;
    margin-bottom:20px;
}
.card{
    border-radius:12px !important;
}
.course-title {
    font-weight: bold;
    font-size: 18px;
    margin-left: 8px;
}

.video-time {
    font-size: 16px;
    color: #6c757d;
    margin-right: 8px;
}

.video-col {
    margin-bottom:8px;
    padding-bottom:3px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}
.video-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-radius: 8px;
    background: white;
    margin-bottom: 8px;
}

.video-name {
    font-weight: 500;
    font-size: 16px;
}

.modal-video {
    width: 100%;
    border-radius: 8px;
}