Examine source code of The Alienverse

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "The Alienverse",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-030-0f935cfde055600d01a959c5c15353de.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(36, 204, 10)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(0, 4, 0)",
      "tab_background_text": "rgb(65, 253, 17)",
      "toolbar_field": "rgb(222, 234, 222)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(240, 12, 12)",
      "popup": "rgb(236, 236, 8)",
      "popup_text": "rgb(1, 4, 34)",
      "tab_loading": "rgb(240, 12, 12)"
    }
  }
}