It might help to use a highlighting app, something like Weava (weavatools.com) which will store and collect your highlights off to the side of the text so you don't have to keep flipping through pages. Source: over 1 year ago

For classes with a lot of readings, use an annotation thing like Weava (weavatools.com) or Zotero that keeps all your highlights in one place and searchable. Source: over 1 year ago

Iconscout - A list of high-quality free vector Icons, Illustrations, 3D assets, and Lottie Animations. - Source: dev.to / 9 months ago

Iconscout : Over 2.2 Million+ Design Assets, Curated SVGs, Vector Icons, Illustrations, 3D graphics, and Lottie Animations. Over 3000+ assets added every day. Integrated plugins, tools, editors, and more. - Source: dev.to / over 1 year ago

Https://iconscout.com/ is what I use because you can edit the icon colors before you download them. Source: over 2 years ago

After the 2,3 days of sleepless nights here is my webpage. It's my first website, completely written in HTML, javascript, CSS. It is built in such a way that it is compatible for any type of screen. Icons are from https://iconscout.com. Fonts are from Google fonts. Https://jeeson-k.github.io/jeeson/. - Source: dev.to / over 2 years ago

For the first question, it depends on the project and targets users, the environment which belongs to, for the icons from here https://iconscout.com/ - and here https://icons8.com/. Source: over 2 years ago