Examine source code of it bears repeating

{
  "name": "it bears repeating",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "bearsrepeating.png"
    },
    "colors": {
      "frame": "rgba(126, 183, 176, 1)",
      "tab_background_text": "rgba(99, 68, 47, 1)",
      "bookmark_text": "rgba(99, 68, 47, 1)",
      "toolbar_field": "rgba(226, 245, 243, 0.56)",
      "toolbar_field_text": "rgba(99, 68, 47, 1)",
      "tab_line": "rgba(153, 212, 206, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b79b0785-b4e3-4860-812b-681b3aa2b4f4}"
    }
  }
}