fixme.css

Add the fixme.css to your html header and check your website. Search for red dashed borders which indicate different HTML issues.

Use unpkg CDN

<link rel="stylesheet" type="text/css" href="https://unpkg.com/fixme.css">

Alternative hosts which provides the latest css file

GitHub

<link
  rel="stylesheet"
  type="text/css"
  href="https://raw.githubusercontent.com/jerolimov/fixme.css/master/fixme.css"
>

Or use npm to install it locally

npm install --save fixme.css

Add import

import 'fixme.css';