that have worked in the past
You could do this for one file or across multiple files in your project.
Find with
<h2 class="page-summary">\b(.*)\b</h2>
Install the following things:
npm install -g grunt-cli bower yo generator-karma generator-angular
mkdir my-new-project && cd $_
yo angular [app-name]
These are the links I am reffering at the moment:
Starting point: CSS Evolution - From CSS, SASS, BEM, CSS Modules to Styled Components