Examine source code of petal

{
  "name": "trish",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "114485.jpg"
    },
    "colors": {
      "frame": "rgba(107, 133, 158, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(255, 255, 255, 0.05)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(133, 98, 204, 0.56)",
      "toolbar_field_text": "rgba(215, 241, 250, 1)"
    }
  }
}