Examine source code of Aurora_dark

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Aurora",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(50, 41, 59)",
      "toolbar_text": "rgb(197, 197, 197)",
      "frame": "rgb(101, 84, 116)",
      "tab_background_text": "rgb(240, 227, 255)",
      "toolbar_field": "rgb(69, 56, 81)",
      "toolbar_field_text": "rgb(214, 205, 224)",
      "tab_line": "rgb(211, 145, 236)",
      "popup": "rgb(64, 54, 75)",
      "popup_text": "rgb(218, 218, 218)",
      "tab_loading": "rgb(211, 145, 236)"
    }
  }
}