I have taken it upon myself to adhere to WordPress conventions so I can have a clean, sexy child theme. However, I am unsure how to proceed on a certain issue.

I would like to override the CSS for some plugins in my WordPress website, and this wonderful post was a great step in the right direction. My only concern is that I would like to do everything I can to avoid overriding the header.php file in my parent theme in order the do this.

Is there another wonderful way to do this? Thanks for your help!

Update:

As was pointed out by another user's comment, this is in fact dependent on how the plugin implements its styles. This aside, assume that the plugins do provide a way for styles to be implemented in the style.css sheet of the child theme, or, in my case, a separate styles folder linked to that style.css sheet.

I also know I can use !important all over the place, but this is generally frowned upon.