When using components within Cornerstone/Pro, they include additional
<style> tags within it. This is as well the case if you don’t even add additional styling within the builder CSS. In that case it will display it with an empty style tag
The W3 validator fails as it’s not allowed to have tags within sub-trees:
It would be superb if you can prevent outputting any additional styles if there are none set (or maybe even merge the component CSS into the main inline CSS styles.