his is a single exclusive choice between:
<dl class="org-dl">
<dt>None</dt><dd>This displays a blank grey background, which helps the candidates stand out</dd>
<dt>Maps</dt><dd>This displays a black &amp; white cartographic map called <a href="http://maps.stamen.com/toner/">Stamen Toner</a>, which uses OpenStreetMap data</dd>
<dt>Satellite</dt><dd>This displays satellite or aerial imagery from ESRI</dd>
</dl></li>
<li>Controls for what is on top of the basemap, which is a multiple choice of:
<dl class="org-