Examine source code of Watercolor spatter

{
  "theme": {
    "images": {
      "theme_frame": "Watercolor-firefox.jpg"
    },
    "colors": {
      "frame": "#e84343",
      "tab_background_text": "#c98888"
    }
  },
  "version": "2.0",
  "name": "Watercolor spatter",
  "manifest_version": 2,
  "description": "Watercolor paint with red and black spatter and Asian umbrella pattern accents"
}