Easily Customize Joomla’s Design—No Coding Required! This is the jVisual CSS component and system plugin that allows you to customize the design of your site without writing a single line of CSS code. It uses the WYSIWYG approach. You see the design changes in real time.
jVisual CSS supports Joomla 5
Read more https://extensions.joomla.org/browse/new/extension/style-a-design/design/jvisual-css
