Examine source code of y2k pink gradient ♡

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "XP Pink Gradient",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 230, 239)",
      "toolbar_text": "rgb(255, 43, 108)",
      "frame": "rgb(248, 142, 180)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(255, 79, 133)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(255, 79, 133)",
      "tab_loading": "rgb(255, 255, 255)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{280af0fb-0700-429a-b035-e3c23a1dd19b}"
    }
  }
}