The material prepared for HTML Editor are not actually 'components' in the same way as for the frameworks, but we'll still call them components. They are just .zip files. In each of those files you find:
You download and unzip the components just as you would with any .zip file. You may copy the contents of both the html and the css file into existing files of yours. If the component files are using any class names that you are already using with different styling, just change the class names in the component, so that they don't clash with anything. The main style sheet is 'styles.css', and for some components, which need very little styling, the styling rules have been included there. But for the rest of the components there are separate style sheets.
These components have all been built 'desktop down'. Screen-width media queries have been kept to a minimum, so there shouldn't be any problem either way.
The components have been tested with Edge, IE11, Firefox, Chrome, Opera and Safari, and on cellphones with Safari, Chrome and Firefox. Most of the components work well in all those browsers, even in IE11. The exceptions are: