Introduction to CSS logical functions calc(), clamp(), min() and max().

Qwik is designed for the fastest possible page load time, by deliving pure HTML with near 0 javascript for your pages to become interactive, regardless of how complex your site or app is. It achieves this via resumability of HTML and ultra fine-grained lazy-loading of code.

Rallax.js is a vanilla JS plugin that implements a dynamic parallax scrolling effect, without dependencies.