Examine source code of Blue1one

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue1",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(173, 207, 249)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(51, 138, 255)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(0, 0, 0)",
      "button_background_active": "rgb(255, 255, 255)",
      "button_background_hover": "rgb(255, 255, 255)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{92b5783b-c270-4c48-ba5a-60301f30bb42}"
    }
  }
}