Examine source code of Paper Theme

{
  "name": "Paper Theme",
  "short_name": "Paper",
  "manifest_version": 2,
  "version": "3.2",
  "theme": {
    "images": {
      "theme_frame": "f2eede.png"
    },
    "colors": {
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "button_background_active": "rgba(216, 213, 199, 1)",
      "button_background_hover": "rgba(216, 213, 199, 1)",
      "frame": "rgba(242, 238, 222, 1)",
      "icons_attention": "rgba(204, 62, 40, 1)",
      "ntp_background": "rgba(242, 238, 222, 1)",
      "ntp_text": "rgba(0, 0, 0, 1)",
      "popup": "rgba(242, 238, 222, 1)",
      "popup_border": "rgba(216, 213, 199, 1)",
      "popup_highlight": "rgba(216, 213, 199, 1)",
      "popup_highlight_text": "rgba(0, 0, 0, 1)",
      "popup_text": "rgba(0, 0, 0, 1)",
      "sidebar": "rgba(242, 238, 222, 1)",
      "sidebar_border": "rgba(242, 238, 222, 1)",
      "sidebar_highlight": "rgba(216, 213, 199, 1)",
      "sidebar_highlight_text": "rgba(0, 0, 0, 1)",
      "sidebar_text": "rgba(0, 0, 0, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "tab_loading": "rgba(204, 62, 40, 1)",
      "tab_selected": "rgba(216, 213, 199, 1)",
      "toolbar": "rgba(242, 238, 222, 1)",
      "toolbar_bottom_separator": "rgba(242, 238, 222, 1)",
      "toolbar_field": "rgba(242, 238, 222, 1)",
      "toolbar_field_border_focus": "rgba(216, 213, 199, 1)",
      "toolbar_field_focus": "rgba(216, 213, 199, 1)",
      "toolbar_field_highlight": "rgba(170, 170, 170, 1)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "toolbar_field_separator": "rgba(242, 238, 222, 1)",
      "toolbar_top_separator": "rgba(242, 238, 222, 1)",
      "toolbar_vertical_separator": "rgba(242, 238, 222, 1)",
      "tab_line": "rgba(216, 213, 199, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{cc4062de-d9d0-400f-ae47-7960083b710a}"
    }
  }
}