Examine source code of Animated│Night Orbs

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Animated│Night Orbs",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center",
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(0, 56, 117, 0.06)",
      "toolbar_text": "rgb(212, 255, 253)",
      "frame": "rgb(0, 0, 0)",
      "tab_background_text": "rgb(55, 180, 255)",
      "toolbar_field": "rgb(0, 5, 11)",
      "toolbar_field_text": "rgb(55, 180, 255)",
      "tab_line": "rgba(55, 180, 255, 0.25)",
      "popup": "rgb(0, 12, 20)",
      "popup_text": "rgb(212, 255, 253)",
      "button_background_active": "rgba(0, 159, 255, 0.25)",
      "button_background_hover": "rgba(0, 159, 255, 0.4)",
      "icons_attention": "rgb(0, 159, 255)",
      "icons": "rgb(212, 255, 253)",
      "popup_border": "rgb(55, 180, 255)",
      "popup_highlight": "rgb(55, 180, 255)",
      "tab_loading": "rgb(0, 159, 255)",
      "tab_text": "rgb(212, 255, 253)",
      "toolbar_bottom_separator": "rgba(55, 180, 255, 0.25)",
      "toolbar_field_border_focus": "rgba(0, 159, 255, 0.05)",
      "toolbar_field_border": "rgba(55, 180, 255, 0.25)",
      "toolbar_top_separator": "rgba(55, 180, 255, 0.25)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{47877180-0b0e-4a7d-a0c8-6403cb8d0434}"
    }
  }
}