Examine source code of Summer Pathway by M♥Donna

{
  "name": "Summer Pathway by M♥Donna",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(9, 15, 7, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(9, 15, 7, 0.02)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(9, 15, 7, 0.09)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2d416e61-7b6c-466a-90f5-9854b6375ffd}"
    }
  }
}