Examine source code of l depressed death note

{
  "name": "tumblr_noxy9ilhx21upf69no2_12802",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "tumblr_noxy9ilhx21upf69no2_12802.png"
    },
    "colors": {
      "frame": "rgba(3, 3, 3, 0)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(0, 0, 0, 0.72)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(117, 117, 117, 0.4)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "tab_line": "rgba(31, 31, 31, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7649103c-9502-4651-8d5d-04bc23cd0ca4}"
    }
  }
}