# File temp/Graph/BarBase.rb, line 31
      def get_css
        return "/* default fill styles for multiple datasets (probably only use a single dataset on this graph though) */\n.key1,.fill1{\n        fill: \#ff0000;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 0.5px;   \n}\n.key2,.fill2{\n        fill: \#0000ff;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key3,.fill3{\n        fill: \#00ff00;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key4,.fill4{\n        fill: \#ffcc00;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key5,.fill5{\n        fill: \#00ccff;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key6,.fill6{\n        fill: \#ff00ff;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key7,.fill7{\n        fill: \#00ffff;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key8,.fill8{\n        fill: \#ffff00;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key9,.fill9{\n        fill: \#cc6666;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key10,.fill10{\n        fill: \#663399;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key11,.fill11{\n        fill: \#339900;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\n.key12,.fill12{\n        fill: \#9966FF;\n        fill-opacity: 0.5;\n        stroke: none;\n        stroke-width: 1px;     \n}\nEOL\n      end\n    end\n  end\nend\n"