The Custom CSS option is great for adding additional styling to your Plugins that isn't possible via the regular Design settings. By adding your own CSS to a POWr Plugin, you can change anything from fonts to display options and padding to text-alignment.
The Custom JS option is ideal for adding tracking links, such as Google Analytics codes. Only use this option if you have advanced Javascript
vidmate skills.
You can also use custom HTML in any text field inside the POWr Editor. This lets you add links, new CSS classes, images, etc. right into a POWr Plugin.