How To Use 1. Include chart.css file You can download the chart.css or use the CDN powered by RawGit. <!-- Downloaded chart.css --> <link rel="stylesheet" href="chart.css"> <!-- RawGit CDN chart.css --> <link rel="stylesheet" href="https://cdn.rawgit.com/theus/chart.css/v1.0.0/dist/chart.css" /> You can use the file served by RawGit CDN or download and put chart.css file. Note that only needs one