---
title: "chalkboard plugin"
output: 
  revealjs::revealjs_presentation:
    self_contained: false
    reveal_plugins: ["chalkboard"]
    reveal_options:
      chalkboard:
        theme: whiteboard
        color: ['rgba(255, 0, 0, 0.3)', 'rgba(255, 0, 0, 0.3)']
---

# Configurations

We are testing that color can be correctly change. 
Pen is now red in both mode: Click on the left icons and write in Red. 

Default is blue. 
