Examine source code of DeepBlueeee

{
  "name": "Blueee",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screen Shot 2021-12-19 at 6.06.50 PM.png"
    },
    "colors": {
      "frame": "rgba(45, 57, 73, 1)",
      "tab_background_text": "rgba(176, 176, 176, 1)",
      "toolbar": "rgba(70, 88, 115, 1)",
      "bookmark_text": "rgba(222, 222, 222, 1)",
      "toolbar_field": "rgba(58, 71, 90, 1)",
      "toolbar_field_text": "rgba(189, 185, 185, 1)",
      "tab_line": "rgba(158, 158, 158, 0.5)"
    }
  }
}