Examine source code of Strange flower

{
  "name": "Strange flower",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "stranno.jpg"
    },
    "colors": {
      "toolbar": "rgba(217, 255, 176, 0.15)",
      "toolbar_field": "rgba(59, 61, 57, 0.38)",
      "toolbar_field_text": "rgba(218, 255, 178, 1)",
      "frame": "rgba(7, 15, 1, 1)",
      "tab_background_text": "rgba(218, 255, 178, 1)",
      "bookmark_text": "rgba(218, 255, 178, 1)"
    }
  }
}