Replace the NewTab with grey color,and a logo.
Grey New Tab Extension
Replace the NewTab with color grey.
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Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx",\t"version": "0.2", "chrome_url_overrides": { "newtab": "newtab.html" }, "manifest_version": 2, "name": "Grey New Tab",\t"description": "Replace the NewTab with grey color\uff0cand a logo.", "icons": { \t"128": "icon128.png", \t"48": "icon48.png" }}
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