Examine source code of lead_Tracker

{
  "name": "lead_Tracker",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Screenshot from 2021-09-13 09-32-53.png"
    },
    "colors": {
      "frame": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(88, 117, 115, 1)"
    }
  }
}