body {
        background-color: #f9f9f9;
    }

    .section-title {
        background-color: #3D413E;
        color: #fff;
        text-align: center;
        padding: 1.25rem;
        font-size: 1.5rem;
        font-weight: bold;
        margin-bottom: 20px;
    }

    .content-box {
        background-color: #fff;
        padding: 20px;
        margin-bottom: 20px;
    }

    h4 {
        padding-bottom: 5px;
        margin-top: 20px;
        text-transform: uppercase;
        font-size: 1.1rem;
        color: #2c3e50;
    }

    iframe {
        width: 100%;
        border: none;
        border-radius: 8px;
        margin-bottom: 15px;
        min-height: 220px;
    }

    .contexte-header {
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 2rem 0;
        position: relative;
    }

    .contexte-header::before,
    .contexte-header::after {
        content: '';
        flex: 1;
        height: 1px;
        background-color: #616762;
        margin: 0 0.5rem;
    }

    .contexte-header h4 {
        margin: 0;
        font-size: 1.5rem;
        font-weight: 300;
        letter-spacing: 0.2em;
        text-transform: uppercase;
        color: #87CEEB;
    }

    .content-text-content {
        text-align: justify;
        text-indent: 35px;
    }

    .description {
        margin-bottom: 1rem;
        padding: 0 2rem;
        font-size: 1.4rem;
    }