Missing a Dark mode switch so much on the docs.netapp.com page.
In the mean time the Dark mode bookmark (works on most pages) have to do, but it ain't pretty:
javascript:document.querySelectorAll('\*').forEach(e=>e.setAttribute('style','background-color:#222;background-image:none;color:#'+(/^A|BU/.test(e.tagName)?'36c;':'eee;')+e.getAttribute('style')))