.site-gray,.site-gray{filter: gray !important;filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);filter: grayscale(100%);-webkit-filter: grayscale(100%);-moz-filter: grayscale(100%);-ms-filter: grayscale(100%);-o-filter: grayscale(100%);}
/*.is-header{overflow:hidden;background:url(../images/gray/head-bj-gray.png) center 0 no-repeat;!important;}*/