Examine source code of Purple galaxy

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Purple galaxy",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(15, 1, 8)",
      "toolbar_text": "rgb(195, 195, 195)",
      "frame": "rgb(1, 5, 10)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgb(57, 3, 28)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(227, 0, 255)",
      "popup": "rgb(29, 1, 13)",
      "popup_text": "rgb(229, 229, 237)",
      "button_background_hover": "rgb(94, 0, 38)",
      "ntp_background": "rgb(7, 7, 7)",
      "popup_border": "rgb(100, 4, 55)",
      "tab_loading": "rgb(227, 0, 255)"
    }
  }
}