.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.4);
    z-index: 1000;
}
.modal-window {
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    max-width: 900px;
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.25);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgb(0, 92, 153);
    color: white;
    padding: 10px 15px;
    font-weight: bold;
    font-size: 14px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    border-bottom: 1px solid #ccc;
    cursor: move;
}

.btn-cerrar {
    background: transparent;
    border: none;
    color: white;
    font-size: 22px;
    font-weight: bold;
    cursor: pointer;
    padding: 0;
}

    .btn-cerrar:hover {
        color: #ccc;
    }