Examine source code of Gradient x Love

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gradient x Love",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left bottom"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(255, 183, 236, 0)",
      "toolbar_text": "rgb(58, 103, 151)",
      "frame": "rgb(255, 183, 251)",
      "tab_background_text": "rgb(87, 87, 87)",
      "toolbar_field": "rgb(34, 12, 30)",
      "toolbar_field_text": "rgba(255, 193, 193, 0.99)",
      "tab_line": "rgb(11, 135, 252)",
      "popup": "rgba(252, 196, 249, 0.85)",
      "popup_text": "rgb(12, 20, 13)",
      "icons": "rgba(10, 9, 10, 0.85)",
      "tab_loading": "rgb(11, 135, 252)"
    }
  }
}