.filters .filter-param label.disabled {
    opacity: 0.5;
}
.block1 {margin: 0 auto; width: 538px; height: 400px; background: url(https://radiokom.ru/wa-data/public/site/img/imac.png); float: none;}
.block1 iframe {margin: 0 auto; width: 500px; height: 400px; padding-top: 25px;}