Starting a new website with Joomla 4 can be daunting. Especially the templating part. Cassiopeia is the new template for Joomla 4. It is based on Bootstrap 5 and has many features. But the admin settings lack in options.
To set the background-color for your mobile menu please read this article!
Using the color slider to setup your colors in various options of our module is something you will do often. How to use this is explained in this article.
Joomla (and Joomla 4) itself has the option to work with tabs in your content. This tutorial will explain how this works.
Version 1.7 and higher has the option to export your settings, and import them on another website, or template instance. This makes life much easier. This article explains how to use this feature.