The "Chromatic Duo" challenge features a split container with contrasting color schemes and shapes, showcasing the harmonious interaction of colors and shapes.

Send Mail: Surprise your visitors with a nice animation instead of a simple "request sent".

Create harmony through geometric shapes with CSS. This challenge features a square and two circles, each carefully positioned to achieve a balanced composition against a vibrant background.

The 'Blue Canvas' challenge involves creating a visually appealing canvas using CSS. The canvas features a blue background with white squares arranged to form a unique design. The objective is to position and style these elements using CSS properties such as positioning, dimensions, and background colors.

Create a cluster of green circles using HTML and CSS, positioned within a larger circle on a green background. Each small circle is uniquely positioned using CSS transforms to achieve a clustered effect.

Don't sit on your chair all day long. Get up, jump, run, exercice and burn some calories.

This CSS challenge creates a simple orrery-like model using HTML and CSS. It features a main container with two blocks, each containing two circles, arranged to resemble an orbital system. The challenge focuses on positioning elements and using absolute positioning, background colors, and border-radius properties to achieve the desired layout.