Examine source code of Light white simple

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Light white",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(255, 255, 255)",
      "toolbar_text": "rgb(25, 58, 143)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(30, 41, 97)",
      "toolbar_field": "rgb(252, 252, 252)",
      "toolbar_field_text": "rgb(25, 28, 98)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(98, 102, 183)",
      "button_background_active": "rgb(251, 251, 251)",
      "frame_inactive": "rgb(255, 255, 255)",
      "icons": "rgb(17, 17, 155)",
      "ntp_text": "rgb(17, 17, 155)",
      "sidebar_border": "rgb(62, 79, 188)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  }
}