Create a design using just one div and your CSS mastery. This challenge tests your ability to craft astounding visuals from the simplest HTML element! Have fun and make sure you create something original!

In this unique challenge, you and all participants will be working with the same predefined HTML structure for a card element. Your objective is to demonstrate your creativity and expertise by styling the card in your own unique way without altering the HTML.

In this CSS challenge, the task is to create a set of futuristic radio buttons that look like they belong in a high-tech, advanced interface. The challenge is to create a design that is both sleek and functional, with a focus on innovative, cutting-edge aesthetics.

Imagine you are playing a game and you have just reached a new level. What kind of visual notification would you like to see? Use your creativity to come up with a unique and fun level-up notification for a game.

Showcase your UI skills by creating a button inspired by the vastness of space. The best button will be selected by the community and will be featured on the homepage.