Tocreateyourowntheme,startbyduplicatingany```.scss```filein[/css/theme/source](https://github.com/hakimel/reveal.js/blob/master/css/theme/source) and adding it to the compilation list in the [Gruntfile](https://github.com/hakimel/reveal.js/blob/master/Gruntfile.js).
Thisiswhereyouoverridethedefaulttheme.Eitherbyspecifyingvariables(see[settings.scss](https://github.com/hakimel/reveal.js/blob/master/css/theme/template/settings.scss) for reference) or by adding full selectors with hardcoded styles.