                         }
                         """,
                         "body {
-                            font-family: 'Source Sans Pro';
+                            font-family: 'Source Sans Pro', sans-serif;
                         }",
                         "img {
                             max-width: 100%;

        #   and resize the frame
        if @refs.content
            frame = @refs.content.getDOMNode()
            loadContent = (e) =>
                step = 0
                doc = frame.contentDocument or frame.contentWindow?.document
                if doc?
                    styleEl = document.createElement 'style'

                #    button
                #       className: 'btn btn-default',
                #       type: "button",
                #       onClick: @props.displayHTML,
                #       t 'message html display'
                div className: 'preview',
                    p dangerouslySetInnerHTML: { __html: @props.rich }
