Examine source code of ASUS ROG background 3

{
  "name": "753747_edited",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "NewMoon-820x312.jpg"
    },
    "colors": {
      "frame": "rgba(229, 230, 232, 1)",
      "tab_background_text": "rgba(0, 221, 255, 1)",
      "toolbar": "rgba(169, 67, 224, 1)",
      "bookmark_text": "rgba(0, 221, 255, 1)",
      "toolbar_field": "rgba(173, 244, 255, 1)",
      "toolbar_field_text": "rgba(0, 221, 255, 1)"
    }
  }
}