web-server/data/release/styles/restricted.sld

<?xml version="1.0" encoding="UTF-8"?>
<StyledLayerDescriptor version="1.0.0" xmlns="http://www.opengis.net/sld" xmlns:ogc="http://www.opengis.net/ogc"
  xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.opengis.net/sld http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd">
  <NamedLayer>
    <Name>Restricted areas</Name>
    <UserStyle>
      <Title>Red, translucent style</Title>
      <Abstract>A sample style that just prints out a transparent red interior with a red outline</Abstract>

      <FeatureTypeStyle>
        <!--FeatureTypeName>Feature</FeatureTypeName-->
        <Rule>
          <Title>RedFill RedOutline</Title>
          <Abstract>70% opaque red fill with a darker 1px red outline</Abstract>

          <!-- like a linesymbolizer but with a fill too -->
          <PolygonSymbolizer>
            <Fill>
              <CssParameter name="fill">#FF0000</CssParameter>
              <CssParameter name="fill-opacity">0.7</CssParameter>
            </Fill>
            <Stroke>
              <CssParameter name="stroke">#AA0000</CssParameter>
              <CssParameter name="stroke-width">1</CssParameter>
            </Stroke>
          </PolygonSymbolizer>
        </Rule>

        </FeatureTypeStyle>
    </UserStyle>
  </NamedLayer>
</StyledLayerDescriptor>