Examine source code of aestetic

{
  "name": "aestetic",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "IMG_20021552558655.png"
    },
    "colors": {
      "frame": "rgba(145, 89, 143, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(189, 106, 217, 1)",
      "bookmark_text": "rgba(235, 38, 159, 1)",
      "toolbar_field": "rgba(139, 101, 158, 1)",
      "toolbar_field_text": "rgba(208, 94, 214, 1)",
      "tab_line": "rgba(151, 77, 176, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{4b1d9f40-0fba-4dd0-ab0e-28bd60004209}"
    }
  }
}