.illustration {
    margin: 40px 0;
    width: 50%;
    justify-self: center;
}

    .illustration img {
        width: 100%;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
    }

        .illustration img:hover {
            transform: scale(1.02);
        }

.content-historique {
    max-width: 1000px;
    margin: 40px auto;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    margin-top: 99px;
    margin-bottom: 99px;
}

.title-historique {
    position: relative;
    font-size: 2.5em;
    text-align: center;
    margin: 0;
    padding-bottom: 20px;
}

    .title-historique::after {
        content: "";
        position: absolute;
        left: 50%;
        bottom: 16px;
        transform: translateX(-50%);
        width: 357px;
        height: 4px;
        background-color: #f1c40f;
        border-radius: 2px;
    }

@media (max-width: 768px) {
    .title-historique::after {
        width: 275px;
        height: 3px;
        bottom: 10px;
    }
}