Examine source code of Snow Topped Trees

{
  "name": "Snow Topped Trees",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(179, 200, 245, 1)",
      "tab_background_text": "rgba(4, 10, 94, 1)",
      "toolbar": "rgba(180, 199, 247, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(180, 199, 247, 0.07)",
      "toolbar_field_text": "rgba(6, 28, 102, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{51c4579b-eaf5-43d0-855e-932295f58798}"
    }
  }
}