Examine source code of Color Supernova

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Supernova",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 7, 7, 0.11)",
      "toolbar_text": "rgb(248, 248, 221)",
      "frame": "rgb(5, 1, 0)",
      "tab_background_text": "rgb(248, 248, 221)",
      "toolbar_field": "rgba(7, 7, 7, 0.11)",
      "toolbar_field_text": "rgb(248, 248, 241)",
      "tab_line": "rgb(15, 254, 28)",
      "popup": "rgb(5, 1, 0)",
      "popup_text": "rgb(42, 127, 211)",
      "tab_loading": "rgb(15, 254, 28)"
    }
  }
}