Backgrounds are very important for web pages, since they are a field to place all elements. If their design be attractive and dynamic, users will enjoy visiting your site. Below there is many samples of such backgrounds for your website.
Triangles moving dynamically in the web page background.
A script to use two images in the web page background in responsive triangular form.
Dynamic moving particles in the web page background.
Two images background with rotating fading effect.
A night sky background with animating clouds and twinkling stars.
A parallax background image reacting to the mouse pointer for the web pages.
Fixed position background images which differ by scrolling.
Fixed background images with scrollable web elements and materials.
Different patterns for using as the background of web pages.
Creating 3D cubes for the web page background with using only CSS.