GitHub

A simple Random Background Color Changer built with HTML, CSS, and JavaScript — click the button and watch the colors change!

fun and simple web app that lets you change the background color randomly with a click of a button using HTML, CSS, and JavaScript.
GitHub

This Coca-Cola landing page is tasty, the soda can thumbnails levitate and change the main image and the background color using HTML, CSS and Vanilla JavaScript.

It is nice to build things with Pure CSS and Vanilla JavaScript to better appreciate functionalities provided by frameworks, libraries and preprocessors such as ReactJS, Angular, Vue.js, Bootstrap, ...