Measure It

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "Measure It",
    "description": "Minimal and reliable ruler for developers",
    "version": "1.0.0",
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "content_scripts": [
        {
            "matches": [
                ""
            ],
            "js": [
                "foreground.js"
            ],
            "run_at": "document_end",
            "all_frames": false
        }
    ],
    "browser_action": {
        "default_icon": "icons8-ruler-48-bw.png"
    },
    "icons": {
        "48": "icons8-ruler-48.png"
    },
    "permissions": [
        "tabs"
    ]
}