Nice BG

Animated WebGL shader background in the Halftone style, generated by the 21st.dev Shader Builder. 2-color palette (#3C3483, #161A41). Features: film grain, cursor-reactive (swirl). A drop-in, zero-dependency React component for hero sections and animated gradient/noise backgrounds.

Built with React and Tailwind. Copy the prompt and paste it into Claude Code, Cursor or Lovable: your agent adds Nice BG to your project and fits it to your theme.

import { ShaderBackground } from "@/components/ui/nice-bg"

export default function ShaderBackgroundDemo() {
  return (
    <div className="relative h-screen w-full overflow-hidden">
      <ShaderBackground className="h-full w-full" />
    </div>
  )
}