You also have to use it, eg
You can use a browser to debug this. Eg in Firefox, Ctrl-U can be used to view the page source (to see if the relevant CSS was included), and Q to inspect styling.
You also have to use it, eg
You can use a browser to debug this. Eg in Firefox, Ctrl-U can be used to view the page source (to see if the relevant CSS was included), and Q to inspect styling.