> You can consider it as a customizable plug-n-play library for your site which helps you easily styling all the available HTML elements using CSS custom proper

> You can consider it as a customizable plug-n-play library for your site which helps you easily styling all the available HTML elements using CSS custom properties, classes, attributes, or whatever you want in less than 7 kB But I can do that already with 0 B overhead. The other features mentioned (customization, theming) can be had with pre-processors like SASS. What exactly new/different does this offer?