.zwirner-map {
    line-height: 0;
}

.zwirner-map iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

.zwirner-map__placeholder {
    padding: 40px;
    text-align: center;
    color: #999;
    font-style: italic;
    line-height: 1.5;
}