Google Chrome CSS rule ranges to coverage With this package you can convert the Google Chrome CSS rule ranges to a standard CSS coverage report, such as clover.xml. [ { "url": "a.css", "ranges": [ { "start": 0, "end": 27 }, { "start": 116, "end": 156 } ], "text": "body {\n font-size: 16px;\n}\n" }]