.yandexmaphodlr {
    width: calc(100% - 2px);
    height: 70vh;
    background: #ccc;
    border: 1px solid #A1A1A1;
    margin-bottom: 40px;
    box-sizing: content-box;
    max-height: 435px;
}

ymaps[class*="-b-cluster-content__header"] {
    display: none!important;
}