/* Optional: use on pages that need a tinted background. Content pages use pages-content.css. */
    body.body-course-page {
      background: linear-gradient(135deg, #f5f7fa 0%, #e8f0f8 100%);
    }

        .glass-card {
        backdrop-filter: blur(15px);
        background: rgba(255, 255, 255, 0.1);
        border-radius: 20px;
        padding: 50px;
        box-shadow: 0 0 40px rgba(0,0,0,0.2);
        }