Nowadays there is simply no excuse to go with Photoshop styling - site loading speed is everything! And with these CSS image effects, you will never want to open Photoshop again while styling your images!
Finding awesome UI components and web design elements is just like finding treasure to web designers. This is because resources like these can significantly help designers in their work and help them complete their job easily and more quickly.
You can learn quite a lot by looking at the various styleguides of some of the most popular brands in the world, and when it is time for you to create your own style guides, you will surely take inspiration from them.