Examine source code of Pixel art, galaxy.

{
  "name": "Pixel art, galaxy.",
  "manifest_version": 2,
  "version": "3.0",
  "theme": {
    "images": {
      "theme_frame": "galaxy..png"
    },
    "colors": {
      "frame": "rgba(17, 17, 36, 1)",
      "tab_background_text": "rgba(195, 195, 214, 1)",
      "toolbar": "rgba(17, 17, 36, 1)",
      "bookmark_text": "rgba(218, 218, 235, 1)",
      "toolbar_field": "rgba(39, 39, 71, 1)",
      "toolbar_field_text": "rgba(201, 201, 214, 1)"
    }
  }
}