.course-syllabus-page {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.course-overview .video-preview {
    position: relative;
}

.course-overview .video-preview img {
    width: 100%;
    border-radius: 10px;
}

.course-overview .video-preview .play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 10px;
    border-radius: 50%;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.course-sidebar {
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
}

.course-action {
    margin-top: 20px;
}

.btn-primary {
    display: block;
    text-align: center;
    background-color: #007bff;
    color: white;
    padding: 10px;
    border-radius: 5px;
    text-decoration: none;
}