Examine source code of Wall

{
  "name": "Wall",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Sensual_Beauty-3ce2f4b4-5fcf-3a17-ab64-9327361c03c7.jpg"
    },
    "colors": {
      "frame": "rgba(140, 150, 173, 1)",
      "tab_background_text": "rgba(134, 120, 156, 1)",
      "toolbar": "rgba(122, 173, 245, 1)",
      "bookmark_text": "rgba(56, 32, 230, 1)",
      "toolbar_field": "rgba(51, 205, 240, 1)",
      "toolbar_field_text": "rgba(168, 136, 166, 1)",
      "tab_line": "rgba(161, 152, 152, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{1a7ee0fb-5303-4d71-8fb7-b516949c5dc8}"
    }
  }
}