@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("maps.yandex.ru") {
 #r-head, .b-page__sidebar, .b-sidebar-switcher, .YMaps-copyrights, .YMaps-logo { display: none !important }
 .b-page__middle { top: 0 !important }
 .b-page__center-i.b-split-pane__pane { margin: 0 !important }
 .YMaps-scale-line { bottom: 0 !important }
}