                     </ButtonGroup>
                 </Col>
             </Row>
-            <Row className='smc-vflex'>
-                <Col className='smc-vflex' md={12} style={padding:'0px 2px 0px 2px'}>
+            <Row className='smc-vfill'>
+                <Col className='smc-vfill' md={12} style={padding:'0px 2px 0px 2px'}>
                     <Well style={chat_log_style} ref='log_container' onScroll={@on_scroll}>
                         <ChatLog
                             messages     = {@props.messages}

            marginTop    : "5px"
            fontSize     : @props.font_size

        <Grid fluid={true} style={maxWidth: '1200px', display:'flex', flexDirection:'column'}>
            <Row style={marginBottom:'5px'}>
                <Col xs={2} mdHidden>
                    <Button className='smc-small-only'

            padding      : "0"
            paddingRight : "10px"
            background   : 'white'
            flex         : 1

        chat_input_style =
            margin       : "0"
