Examine source code of lover space

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "love space",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png",
        "images/1.png",
        "images/2.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right top",
        "right top",
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "no-repeat",
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(5, 5, 56, 0.31)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(4, 4, 15)",
      "tab_background_text": "rgb(215, 226, 239)",
      "toolbar_field": "rgb(1, 2, 8)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(235, 17, 208)",
      "popup": "rgba(5, 3, 20, 0.84)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(235, 17, 208)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3dba47ce-4594-4b81-bfe3-3aeb0fdb3d23}"
    }
  }
}