Examine source code of WOLF by M♥Donna

{
  "name": "WOLF by M♥Donna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(112, 73, 33, 1)",
      "tab_background_text": "rgba(252, 226, 156, 1)",
      "toolbar": "rgba(112, 75, 33, 0)",
      "bookmark_text": "rgba(252, 226, 156, 1)",
      "toolbar_field": "rgba(112, 75, 33, 0.1)",
      "toolbar_field_text": "rgba(252, 226, 156, 1)",
      "tab_line": "rgba(252, 226, 156, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f211f396-f837-495f-b3a5-0bf0362d3f3f}"
    }
  }
}