Unread for GMail

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Unread for GMail",
    "version": "1.0.0",
    "manifest_version": 2,
    "description": "Mark unread GMail emails with a color",
    "homepage_url": "https:\/\/www.linkedin.com\/in\/sachinmrao",
    "icons": {
        "16": "icons\/icon16.png",
        "48": "icons\/icon48.png",
        "128": "icons\/icon128.png"
    },
    "default_locale": "en",
    "background": {
        "page": "src\/bg\/background.html",
        "persistent": true
    },
    "options_ui": {
        "page": "src\/options_custom\/index.html",
        "chrome_style": true
    },
    "permissions": [
        "storage"
    ],
    "content_scripts": [
        {
            "matches": [
                "https:\/\/mail.google.com\/mail\/*"
            ],
            "css": [
                "src\/inject\/inject.css"
            ]
        },
        {
            "matches": [
                "https:\/\/mail.google.com\/mail\/*"
            ],
            "js": [
                "src\/inject\/inject.js"
            ]
        }
    ]
}