<se:FeatureTypeStyle>
    <se:Rule>
      <se:Name> 0 - 100 </se:Name>
      <se:Description>
        <se:Title> >101 </se:Title>
      </se:Description>
      <ogc:Filter>
        <ogc:PropertyIsGreaterThanOrEqualTo>
            <ogc:PropertyName>count</ogc:PropertyName>
            <ogc:Literal>101</ogc:Literal>
          </ogc:PropertyIsGreaterThanOrEqualTo>
      </ogc:Filter>
      <se:PolygonSymbolizer>
        <se:Fill>
          <se:SvgParameter name="fill">#ff0000</se:SvgParameter>
        </se:Fill>
      </se:PolygonSymbolizer>
    </se:Rule>
    <se:Rule>
      <se:Name> 51- 100 </se:Name>
      <se:Description>
        <se:Title> 51- 100</se:Title>
      </se:Description>
      <ogc:Filter>
        <ogc:And>
          <ogc:PropertyIsGreaterThanOrEqualTo>
            <ogc:PropertyName>count</ogc:PropertyName>
            <ogc:Literal>51</ogc:Literal>
          </ogc:PropertyIsGreaterThanOrEqualTo>
          <ogc:PropertyIsLessThan>
            <ogc:PropertyName>count</ogc:PropertyName>
            <ogc:Literal>100</ogc:Literal>
          </ogc:PropertyIsLessThan>
        </ogc:And>
      </ogc:Filter>
      <se:PolygonSymbolizer>
        <se:Fill>
          <se:SvgParameter name="fill">#00ff00</se:SvgParameter>
        </se:Fill>
      </se:PolygonSymbolizer>
    </se:Rule>
    <se:Rule>
      <se:Name> 0- 50 </se:Name>
      <se:Description>
        <se:Title> 0- 50 </se:Title>
      </se:Description>
      <ogc:Filter>
        <ogc:And>
          <ogc:PropertyIsLessThan>
            <ogc:PropertyName>count</ogc:PropertyName>
            <ogc:Literal>50</ogc:Literal>
          </ogc:PropertyIsLessThan>
        </ogc:And>
      </ogc:Filter>
      <se:PolygonSymbolizer>
        <se:Fill>
          <se:SvgParameter name="fill">#0000ff</se:SvgParameter>
        </se:Fill>
      </se:PolygonSymbolizer>
    </se:Rule>
  </se:FeatureTypeStyle>

>=101  Red polygon
51-100 Green polygon
<=50   Blue polygon

CQL_FILTER=count%3C%3D100

51-100 Red polygon
<=50   Green polygon