Examine source code of rosedust

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "rosedust",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(237, 170, 166)",
      "toolbar_text": "rgb(249, 229, 228)",
      "frame": "rgb(195, 118, 108)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(231, 150, 139)",
      "toolbar_field_text": "rgb(249, 229, 228)",
      "tab_line": "rgb(249, 229, 228)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(195, 118, 108)",
      "tab_loading": "rgb(249, 229, 228)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f17ca6e1-6d54-4454-93d7-892b5887477c}"
    }
  }
}