Examine source code of Graphic by M♥Donna

{
  "name": "Graphic by M♥Donna",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Graphic.jpg"
    },
    "colors": {
      "frame": "rgba(10, 41, 51, 1)",
      "tab_background_text": "rgba(245, 245, 245, 1)",
      "toolbar": "rgba(10, 41, 51, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(10, 40, 51, 0.08)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(56, 252, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{90f88712-18c8-4499-8453-7f53b7a80a4c}"
    }
  }
}