Examine source code of Square Flowers

{
  "name": "Square Flowers",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Square Flowers on Black-001.jpg"
    },
    "colors": {
      "frame": "rgba(22, 84, 227, 0.04)",
      "tab_background_text": "rgba(31, 25, 25, 1)",
      "toolbar": "rgba(222, 40, 40, 0)",
      "toolbar_field": "rgba(0, 0, 0, 0)"
    }
  }
}