default_polygon.sld

<StyledLayerDescriptor version="1.0.0" xmlns:xsi="http://www.opengis.net/sld http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd">
  <NamedLayer>
    <Name>foo</Name>
    <UserStyle>
      <FeatureTypeStyle>
	<Rule>
	  <Name>Class given in default</Name>
	  <PolygonSymbolizer>
	    <Fill>
	      <CssParameter name="fill">#95F9D6</CssParameter>
	    </Fill>
	    <Stroke>
	      <CssParameter name="stroke">#2AAB7E</CssParameter>
	      <CssParameter name="stroke-width">1</CssParameter>
	    </Stroke>
	  </PolygonSymbolizer>
	</Rule>
      </FeatureTypeStyle>
    </UserStyle>
  </NamedLayer>
</StyledLayerDescriptor>