Advanced Slides comes with a varity of diffrent themes built in:
To activate a theme simply add a theme property in the frontmatter section of your slides:
---
theme: night
---
If you want to use a custom theme you can do that! Just place the theme in the plugins directory and load them from there.
Example:
If your theme file name is my-theme.css place it inside your Vaults directory in .obsidian/plugins/obsidian-advanced-slides/css/ subfolder and load it by adding the following line on top of your slides markdown file:
---
theme: css/my-theme.css
---
You can also load a custom theme directly from the Internet:
---
theme: https://revealjs-themes.dzello.com/css/theme/robot-lung.css
---
All you have learned so far about custom themes could be applied to highlight themes as well. Highlight Themes define how codeblock elements should look. To activate a highlight theme simply add a highlightTheme property in the frontmatter section of your slides:
---
highlightTheme: monokai
---
By default advanced slides comes with a variety of different highlight themes: