html,body,img,a,span,iframe,video,form,input,.wrapper .inner,.more_btn,div{
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
    filter: gray;
    _filter: none;
}