old_contents: from SVGGenerator import SVGGenerator
  from Label import Label
  
  
  class Chart(SVGGenerator):
      def __init__(self, name, title, data):
          SVGGenerator.__init__(self, './chart.svg.mustache')
          self.name = name
          self.title = title
          self.x = 10
          self.y = 10
          self.width = 110
          self.height = 110
          self.padding = 5
          self.background_color = "white"
          self.background_opacity = 0.4
          self.path_data = data
          self.path_color = "rgb(0,192,0)"
  
      def to_svg(self, data=None):
          label = Label(self.width * 0.5, self.height - self.padding, self.title)
          label.alignment = "middle"
          self.label_svg = label.to_svg(label)
  
          return SVGGenerator.to_svg(self, self)
  
new_contents: from SVGGenerator import SVGGenerator
  from Label import Label
  
  
  class Chart(SVGGenerator):
      def __init__(self, name, title, data):
          SVGGenerator.__init__(self, './chart.svg.mustache')
          self.name = name
          self.title = title
          self.x = 10
          self.y = 10
          self.width = 110
          self.height = 110
          self.padding = 5
          self.background_color = "white"
          self.background_opacity = 0.6
          self.path_data = data
          self.path_color = "rgb(0,192,0)"
  
      def to_svg(self, data=None):
          label = Label(self.width * 0.5, self.height - self.padding, self.title)
          label.alignment = "middle"
          self.label_svg = label.to_svg(label)
  
          return SVGGenerator.to_svg(self, self)
  
subject: Increase opacity on chart backgrounds