How to resize 'Modern Category + Group Boxes' thumbnail via CSS

[Lilly]

Since you seem interested in doing a lot of customizations to your Discourse instance, perhaps these topics can help you:

Beginner's guide to using Discourse Themes

This is a crash course in Discourse theme basics. The target audience is everyone who is not familiar with Discourse themes. If you’ve already used Discourse theme / theme components, this guide is probably not something you need to read. What are themes and theme components? A theme or theme component is a set of files packaged together designed to either modify Discourse visually or to add new features. Let’s start with themes. Themes In general, themes are not supposed to be compatible …

Make CSS changes on Your Site

Want to make some CSS changes on your Discourse site but not sure where to start? You’ve come to the right place! You only need to read this topic if you’re very new to CSS. If you already know how to write and add CSS to your Discourse site, then you will most likely not need to read this topic. We’ll cover a few subjects. We’ll start with a brief introduction of what CSS is and some terms that you need to know. We will then move on to how you can add CSS to your Discourse site. Final…

Beginner's guide to developing Discourse Themes

So, you want to create Discourse themes? Not sure where to start? Or maybe you have created Discourse themes before, but want to learn how to do even more cool things. Well, you’ve come to the right place Developer’s guide to Discourse Themes Subjects include a general overview of Discourse themes, creating and sharing Discourse themes, theme development examples, searching for and finding information / examples in the Discourse repository, and best practices. Prerequisites: …

Theme Developer Quick Reference Guide

As themes grow more powerful, there’s more to remember about how they work. We have loads of detailed documentation under #howto / #themes, but if you just need something to jog your memory, this guide may help. General Resources Beginner’s guide Designer’s guide Developer’s guide Theme Creator Theme CLI Theme Directory Component Directory Theme Modifiers File/Folder Structure…

Learn how to start building stuff for Discourse if you're newbie (like myself)

There are a few ‘how to start’ guides for working with Discourse already and a wealth of useful info on meta, but I thought it might help to give an insight to the mental processes of starting from little, if any, prior coding experience to building substantial Discourse plugins. Discourse is written by experienced developers and has a large codebase. This can feel intimidating. This intimidation factor can be a significant barrier for novice developers. This is a kind of ‘psychological primer’…