Examine source code of Ocean blue blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Ocena blue v2",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(19, 70, 101)",
      "toolbar_text": "rgb(219, 229, 232)",
      "frame": "rgb(9, 40, 61)",
      "tab_background_text": "rgb(219, 229, 232)",
      "toolbar_field": "rgb(219, 229, 232)",
      "toolbar_field_text": "rgb(9, 40, 61)",
      "tab_line": "rgb(219, 229, 232)",
      "popup": "rgb(9, 40, 61)",
      "popup_text": "rgb(219, 229, 232)",
      "button_background_active": "rgb(114, 183, 200)",
      "button_background_hover": "rgb(32, 102, 138)",
      "frame_inactive": "rgb(5, 23, 37)",
      "icons": "rgb(219, 229, 232)",
      "ntp_background": "rgb(9, 40, 61)",
      "ntp_text": "rgb(219, 229, 232)",
      "tab_loading": "rgb(29, 50, 55)",
      "tab_selected": "rgb(219, 229, 232)",
      "tab_text": "rgb(29, 50, 55)",
      "toolbar_bottom_separator": "rgba(65, 98, 103, 0)",
      "toolbar_field_border_focus": "rgb(219, 229, 232)",
      "toolbar_field_border": "rgba(65, 98, 103, 0)",
      "toolbar_field_focus": "rgb(9, 40, 61)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(19, 70, 101)",
      "toolbar_field_separator": "rgba(55, 88, 95, 0)",
      "toolbar_field_text_focus": "rgb(255, 255, 255)",
      "toolbar_top_separator": "rgba(55, 88, 95, 0)",
      "toolbar_vertical_separator": "rgba(65, 98, 103, 0)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6a4c8771-148a-4cce-a442-4ab5fcba9c70}"
    }
  }
}