Examine source code of Blue Market

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Blue Market",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(225, 234, 239, 0.13)",
      "toolbar_text": "rgb(248, 112, 140)",
      "frame": "rgb(16, 16, 16)",
      "tab_background_text": "rgb(218, 203, 234)",
      "toolbar_field": "rgba(23, 23, 23, 0.88)",
      "toolbar_field_text": "rgb(255, 80, 151)",
      "tab_line": "rgb(255, 80, 151)",
      "popup": "rgba(18, 18, 18, 0.9)",
      "popup_text": "rgb(142, 147, 195)",
      "icons": "rgb(249, 168, 201)",
      "popup_border": "rgb(107, 93, 182)",
      "tab_loading": "rgb(255, 80, 151)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c5a4f0b7-48b8-4591-9ae6-35767f637ab9}"
    }
  }
}