No need to feel ashamed.
You usually use CSS to change the styling of your site (including your sidebars), and it is not handled by this plugin.
Take a look at https://codex.wordpress.org/CSS, and otherwise I suggest that you contact the developer of your theme.
I hope you got your problem solved.
If you have any other questions, do not hesitate to open a new support thread here. And if you like Content Aware Sidebars, please leave a review here: https://wordpress.org/support/view/plugin-reviews/content-aware-sidebars
I have CSS attached to the html in a text widget in the sidebar…I tried your plugin because the CSS wouldn’t take in the Custom Sidebars plugin I had (which I’ve used for year, but sadly they stopped updating recently) …I was hoping your plugin would be a good replacement, but the CSS still isn’t taking. I know the CSS is good, because I can put the same code for the hyperlink on the bottom of a page, and the color, size, hover, etc…all works on the hyperlink…but I really wanted the link in the sidebar, and not at the bottom of the page. 🙁 What the heck am I doing wrong?
Thank you for reporting this, but please next time open a new support thread.