Examine source code of Simple Light Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "light blue",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(255, 255, 255)",
      "toolbar_text": "rgb(41, 45, 54)",
      "frame": "rgb(195, 226, 255)",
      "tab_background_text": "rgb(76, 84, 99)",
      "toolbar_field": "rgb(240, 248, 255)",
      "toolbar_field_text": "rgb(76, 84, 99)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(240, 248, 255)",
      "popup_text": "rgb(41, 45, 54)",
      "button_background_active": "rgb(171, 208, 255)",
      "button_background_hover": "rgba(171, 208, 255, 0.5)",
      "icons_attention": "rgb(147, 194, 255)",
      "ntp_background": "rgb(255, 255, 255)",
      "ntp_text": "rgb(41, 45, 54)",
      "popup_border": "rgba(76, 84, 99, 0)",
      "popup_highlight_text": "rgb(41, 45, 54)",
      "popup_highlight": "rgb(171, 208, 255)",
      "tab_loading": "rgb(41, 45, 54)",
      "toolbar_bottom_separator": "rgb(255, 255, 255)",
      "toolbar_field_border_focus": "rgb(147, 194, 255)",
      "toolbar_field_highlight_text": "rgb(41, 45, 54)",
      "toolbar_field_highlight": "rgb(171, 208, 255)",
      "toolbar_top_separator": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{021b8721-af11-4641-ab92-e69f21655385}"
    }
  }
}