.banniere-personnalisee {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    /* background-color: #d7ebf9; */
    background-color: #ffbdbd; 
    border: 1px solid #aed0ea;
    border-radius: 20px;
    padding: 15px 25px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    max-width: 80%;
    text-align: center;
    font-family: Arial, sans-serif;
    color: #333;
}

.banniere-personnalisee h3 {
    margin: 0;
    font-weight: 500;
    color: #195577;
}

.banniere-personnalisee p {
    margin: 8px 0 0 0;
    font-size: 14px;
}

.banniere-personnalisee .fermer-banniere {
    position: absolute;
    top: 5px;
    right: 10px;
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    color: #666;
}

.banniere-personnalisee .fermer-banniere:hover {
    color: #000;
}