Examine source code of Midnight Abstract Sky

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Midnight Sky",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgb(0, 14, 24)",
      "toolbar_text": "rgb(37, 182, 0)",
      "frame": "rgb(0, 2, 23)",
      "tab_background_text": "rgb(0, 78, 117)",
      "toolbar_field": "rgb(13, 0, 26)",
      "toolbar_field_text": "rgb(0, 197, 255)",
      "tab_line": "rgb(181, 0, 160)",
      "popup": "rgb(2, 0, 31)",
      "popup_text": "rgb(107, 174, 255)",
      "tab_loading": "rgb(181, 0, 160)"
    }
  }
}