Examine source code of My Crush

{
  "name": "My Crush",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "Untitled design (5).png"
    },
    "colors": {
      "frame": "rgba(199, 197, 72, 1)",
      "tab_background_text": "rgba(204, 25, 18, 0.86)",
      "toolbar": "rgba(61, 69, 34, 0)",
      "bookmark_text": "rgba(76, 15, 189, 0.88)",
      "toolbar_field": "rgba(171, 38, 131, 0)",
      "toolbar_field_text": "rgba(22, 158, 151, 1)",
      "tab_line": "rgba(45, 106, 227, 0.76)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{06fc5d7d-9bc5-4d1a-acb5-7b978c642baf}"
    }
  }
}