Templating/Custom-CSS.md

+You can add your own CSS to your `decker` project. This way you are able to customize the look of your slide decks even more. This assumes you have some knowledge about the workings of CSS.
+
+## Example:
+
+Simply add the following lines to your `YAML` slide deck header or the `decker.yaml` file in your project directory.
+
+```
+template:
+  css: dummy.css
+```
+
+In this example, the file `dummy.css` is on the same directory level as your `*-deck.md` file(s). If `dummy.css` contains the following content, the background of your slides should now be gray.
+
+```
+div.slides {
+  background-color: #ddd;
+}
+```
+
+
+