.modtelegram-helper-message-text, .modtelegram-helper-chat-input-text textarea{
    color: black;
}

.ymaps-layers-pane {
    filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 3.5+ */
    -webkit-filter: grayscale(100%); /* Chrome 19+ & Safari 6+ */
}