Backgrounds
Discover 0 unique backgrounds crafted by the community.
No elements found matching your criteria.
What Are Backgrounds & Patterns Components?
CSS background components create visually striking page backgrounds — including animated gradients, particle effects, dot grids, mesh patterns, and aurora effects. UIsen provides free, performance-optimized background designs for hero sections and landing pages.
A compelling background sets the tone for an entire page. UIsen's background collection includes animated gradient meshes, particle systems, geometric dot grids, noise textures, aurora borealis effects, and parallax patterns. These backgrounds are designed for hero sections, landing pages, and full-page layouts. Each effect is optimized for performance using CSS-only animations or lightweight Canvas/WebGL implementations.
Types of Backgrounds & Patterns
Gradient Backgrounds
Animated color gradient effects using CSS linear-gradient and @keyframes.
Particle Backgrounds
Floating particle systems using Canvas or CSS animations.
Grid & Dot Patterns
Geometric grid and dot patterns using CSS background-image repeats.
Mesh Gradients
Multi-color mesh gradient effects using overlapping radial gradients.
Aurora Effects
Flowing, northern-lights-style color wave animations.
How to Use UIsen Backgrounds & Patterns
- 1
Browse the background collection below to find an effect for your page.
- 2
Click on any background to view its full code and live preview.
- 3
Copy the HTML and CSS (or React component) code.
- 4
Place the background element as the first child of your section or page container.
- 5
Position it with position: fixed or absolute and use z-index to layer content above it.
Frequently Asked Questions
Do animated CSS backgrounds affect performance?
Well-optimized CSS backgrounds have minimal performance impact. Use transform and opacity for animations (GPU-accelerated), avoid blur on large elements, and add will-change sparingly. For particle systems, limit particle count and use requestAnimationFrame. UIsen backgrounds are tested for smooth 60fps performance.
How do I add a gradient background animation in CSS?
Create an element with a CSS linear-gradient background that's larger than its container (background-size: 400% 400%). Then use @keyframes to animate background-position from 0% 50% to 100% 50% and back. This creates a smooth, flowing gradient animation effect.
How do I make a background fixed while content scrolls?
Use position: fixed on the background element with inset: 0 to cover the viewport. Set z-index: -1 or 0 and put a higher z-index on your content wrapper. Alternatively, use background-attachment: fixed on the container, though this has limited mobile support.