Examine source code of Activist Balanced

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Activist Balanced",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(62, 102, 182)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(20, 54, 123)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(0, 0, 0)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "icons_attention": "rgb(0, 0, 0)",
      "tab_selected": "rgb(255, 255, 255)",
      "tab_text": "rgb(0, 0, 0)",
      "tab_loading": "rgb(0, 0, 0)",
      "ntp_background": "rgb(201, 214, 243)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f0f0f6b7-4792-484d-9ef3-51f9e32aac04}"
    }
  }
}