Examine source code of Arsenio3

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Arsenio3",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-002-609370e89a219e0548ac5ef6b4a7dd2e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(22, 33, 41)",
      "toolbar_text": "rgb(247, 9, 103)",
      "frame": "rgb(37, 46, 52)",
      "tab_background_text": "rgb(39, 247, 9)",
      "toolbar_field": "rgb(26, 52, 28)",
      "toolbar_field_text": "rgb(4, 243, 20)",
      "tab_line": "rgb(43, 237, 7)",
      "popup": "rgb(26, 15, 23)",
      "popup_text": "rgb(247, 5, 185)",
      "tab_loading": "rgb(43, 237, 7)"
    }
  }
}