Examine source code of Light Chromium Pastiche

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Light Chromium Pastiche",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-000-5672c42860d5b06e1058dc477397f3ef.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 255, 255)",
      "toolbar_text": "rgb(33, 33, 33)",
      "frame": "rgb(224, 228, 232)",
      "tab_background_text": "rgb(48, 48, 48)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(66, 66, 66)",
      "tab_line": "rgb(212, 212, 212)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(66, 66, 66)",
      "button_background_hover": "rgba(22, 24, 26, 0.1)",
      "icons": "rgb(66, 66, 66)",
      "ntp_background": "rgb(247, 248, 250)",
      "tab_loading": "rgb(161, 161, 161)",
      "toolbar_bottom_separator": "rgb(222, 222, 222)",
      "toolbar_field_border_focus": "rgb(255, 255, 255)",
      "toolbar_field_border": "rgb(255, 255, 255)",
      "toolbar_top_separator": "rgb(222, 222, 222)"
    }
  }
}