CSS3 animations allow you to animate transitions from one CSS style to another, adding flair to your website.
Transitions enable you to change property values smoothly (over a given duration), creating visually pleasing effects.
Flexbox allows for responsive alignment and distribution of space among items in a container, making layouts easier to manage.
CSS Grid Layout provides a two-dimensional grid-based layout system, ideal for complex designs and responsive layouts.
With @font-face, you can use custom fonts on your website, enhancing typography and ensuring consistency across browsers.