.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}
.popup-content {
    background: #fff;
    padding: 35px;
    border-radius: 3px;
    width: 90%;
    max-width: 600px;
    position: relative;
}
.popup-cerrar {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 24px;
    cursor: pointer;
}