when showcasing your website, you can "style" the showcase panel displayed in the showcase using css code. css, or cascading style sheets, is used by virtually every website on the internet to control the styling (how things look) of the website.

you can specify css code for your website's showcase panel, name, image, and description when updating your showcase settings. any css properties work, but you are restricted to only styling the aforementioned four elements.

there will eventually be example css code you can copy and paste for your style settings here, but that's still a work in progress.