#usernavigation{
        visibility: hidden;
    }
    .page-header-background {
        position: relative;
        width: 100%;
        height: 300px;
        background-repeat: no-repeat;
        background-image: url('../img/backgrounds/page-title.jpg');
    }
    .page-header-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: #000000;
        opacity: 75%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        color: white;
        text-align: center;
        border-radius: 10px;
    }
    .page-header-overlay h1 {
        font-size: 2.5em;
        margin-bottom: 10px;
    }
    .page-header-overlay p {
        font-size: 1.2em;
    }
    .tabs {
        display: flex;
        list-style: none;
        padding: 0;
        margin-bottom: 0;
        border-bottom: 1px solid #ccc;
    }
    .tab {
        padding: 10px 20px;
        cursor: pointer;
        border: 1px solid #ccc;
        border-bottom: none;
        background: #f9f9f9;
        border-top-left-radius: 10px;
        border-top-right-radius: 10px;
    }
    .tab.active {
        background: #0F6CBF;
        font-weight: bold;
        color: #ffffff;
    }

    .tab-content {
        display: none;
        padding: 20px;
        border: 1px solid #ccc;
        background: #fff;
    }

    .tab-content.active {
        display: block;
    }
    .courses-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }
    .course-card {
        border: 1px solid #ddd;
        border-radius: 8px;
        overflow: hidden;
        background: #f7f7f7;
        display: flex;
        flex-direction: column;
        text-align: center;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        transition: transform 0.2s;
    }
    .course-card:hover {
        transform: translateY(-5px);
    }
    .course-image img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }
    .course-details {
        padding: 10px;
    }
    .course-details h3 {
        font-size: 1.2em;
        margin-bottom: 10px;
    }
    .course-details p {
        font-size: 0.9em;
        color: #555;
        margin-bottom: 10px;
    }
    .course-details a {
        color: #ffffff;
        text-decoration: none;
        font-weight: bold;
    }
    .course-details a:hover {
        text-decoration: underline;
    }
    @media (max-width: 768px) {
        .tabs {
            flex-wrap: wrap;
        }
        .tab {
            flex: 1;
            text-align: center;
        }
        .courses-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }