Examine source code of Tropic Browsing Vibes

{
  "name": "Tropical Night (1) origineel",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "headerURL": "Tropical Night (1) origineel.jpg"
    },
    "colors": {
      "accentcolor": "rgba(229, 230, 232, 1)",
      "textcolor": "rgba(0, 0, 0, 1)",
      "toolbar_text": "rgba(0, 0, 0, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{442ee07f-807c-419e-b7d3-5368a1e324d4}"
    }
  }
}