 ###
 {rclass, React, ReactDOM, redux, rtypes} = require('./smc-react')
 {Alert, Button, ButtonToolbar, Col, Modal, Grid, Row, FormControl, FormGroup, Well, ClearFix, Checkbox} = require('react-bootstrap')
-{ErrorDisplay, Icon, Loading, ImmutablePureRenderMixin, Footer, UNIT, COLORS, ExampleBox, Space} = require('./r_misc')
+{ErrorDisplay, Icon, Loading, ImmutablePureRenderMixin, Footer, UNIT, COLORS, ExampleBox, Space, Tip} = require('./r_misc')
 {HelpEmailLink, SiteName, SiteDescription, TermsOfService, AccountCreationEmailInstructions} = require('./customize')
 
 DESC_FONT = 'sans-serif'

        small_size  : rtypes.bool
        no_header   : rtypes.bool
        style       : rtypes.object

    styles :
        facebook :

        if @props.strategies.size > 1
            <div>
                <Passports
                    github_hack = {true}
                    strategies  = {@props.strategies}
                    get_api_key = {@props.get_api_key}
                    style       = {textAlign: 'center'}
