Hi, I am trying to make a background color using a custom TMS file with the map service originating from GeoServer.

I added the map-styles tag which I copied from Tableau's default TMS file signifying a black background of #000000. However it does work.

Can anyone help?

<?xml version='1.0' encoding='utf-8' ?>


<!-- build 10400.17.0915.2112                               -->
<mapsource inline='true' source-platform='win' version='10.4' xmlns:user='http://www.tableausoftware.com/xml/user'>
  <connection class='OGC-WMS' description='http://localhost:8080/geoserver/singapore/wms?' full-url='http://localhost:8080/geoserver/singapore/wms?' inline='true' offline='' port='8080' server='localhost' service='http' tileset='US\normal' url='/geoserver/singapore/wms?' use-tiled-maps='true' />
  <languages />
  <properties />
  <map-styles>
      <map-style display-name="Dark" name="tableau-z-black" wait-tile-color="#141414">
          <map-layer-style name="background_color" request-string="#000000"/>
      </map-style>
  </map-styles>
  <mapsource-defaults version='10.4'>
    <style>
      <style-rule element='map-layer'>
        <format attr='enabled' id='spearfish' value='true' />
      </style-rule>
    </style>
  </mapsource-defaults>
</mapsource>