Gradients are smooth transitions between two or more colors. They are created using CSS and can be applied to various elements in web design. The main types of gradients are:

• Linear Gradients: Colors flow in a straight line.
• Radial Gradients: Colors spread out in a circular pattern.
• Conic Gradients: Colors rotate around a center point.

The basic formula for creating a gradient in CSS is:

background: gradient-type(direction, color1 stop1, color2 stop2, ...);

For more information on gradients, check out these resources:

• MDN Web Docs: CSS Gradients
• W3Schools: CSS Gradients