Examine source code of Solid Blue (Dark)

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Solid Blue",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(60, 88, 132)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(39, 56, 85)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(52, 71, 103)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgba(255, 255, 255, 0.25)",
      "popup": "rgb(55, 55, 55)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgba(255, 255, 255, 0.25)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3b3729cf-ed99-47ed-ba55-6f92889be159}"
    }
  }
}