def parse(color_node)
      color_node.xpath('*').each do |color_node_child|
        case color_node_child.name
        when 'sysClr'
          @type = :system
          @value = color_node_child.attribute('val').value
          @color = Color.new(parent: self).parse_hex_string(color_node_child.attribute('lastClr').value.to_s) unless color_node_child.attribute('lastClr').nil?
        when 'srgbClr'
          @type = :rgb
          @color = Color.new(parent: self).parse_hex_string(color_node_child.attribute('val').value.to_s)
        end
      end
      self
    end
def parse(color_node)
      color_node.xpath('*').each do |color_node_child|
        case color_node_child.name
        when 'sysClr'
          @type = :system
          @value = color_node_child.attribute('val').value
          @color = Color.new(parent: self).parse_hex_string(color_node_child.attribute('lastClr').value.to_s) unless color_node_child.attribute('lastClr').nil?
        when 'srgbClr'
          @type = :rgb
          @color = Color.new(parent: self).parse_hex_string(color_node_child.attribute('val').value.to_s)
        end
      end
      self
    end
Parse ThemeColor
 @param node [Nokogiri::XML::Element] node to parse
 @return [ThemeColor] result of parsing