Try particles

src/app/layout/background/particles-bg.component.html

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+<canvas #canvas class="particles"></canvas>

src/app/layout/background/particles-bg.component.scss

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+:host { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
+.particles { width: 100%; height: 100%; display: block; }

src/app/layout/background/particles-bg.component.ts

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+import {AfterViewInit, Component, ElementRef, OnDestroy, ViewChild} from '@angular/core';
+import {loadFull} from 'tsparticles';
+
+@Component({
+  selector: 'app-particles-bg',
+  standalone: true,
+  imports: [],
+  templateUrl: './particles-bg.component.html',
+  styleUrl: './particles-bg.component.scss',
+})
+export class ParticlesBgComponent implements AfterViewInit, OnDestroy {
+  @ViewChild('canvas', { static: true }) canvasRef!: ElementRef<HTMLCanvasElement>;
+
+  private container?: Container;
+
+  async ngAfterViewInit() {
+    const engine = new Engine();
+    await loadFull(engine);
+
+    const options: ISourceOptions = {
+      fullScreen: { enable: false }, // we manage size via the canvas
+      background: { color: { value: 'transparent' } },
+      fpsLimit: 60,
+      detectRetina: true,
+      interactivity: {
+        events: {
+          onClick: { enable: true, mode: 'push' },
+          onHover: { enable: false, mode: 'repulse' },
+          resize: true
+        },
+        modes: {
+          push: { quantity: 4 } // <- number of new vertices per click
+        }
+      },
+      particles: {
+        number: { value: 55, density: { enable: true, area: 900 } },
+        color: { value: '#23b7ff' },
+        opacity: { value: 0.35 },
+        size: { value: { min: 1, max: 3 } },
+        move: {
+          enable: true,
+          speed: 0.7,
+          outModes: { default: 'out' }
+        },
+        links: {
+          enable: true,
+          distance: 140,
+          color: '#23b7ff',
+          opacity: 0.25,
+          width: 1
+        }
+      }
+    };
+
+    this.container = await engine.load({
+      element: this.canvasRef.nativeElement,
+      options
+    });
+
+    // Let clicks go through to the canvas (we want pointer events on canvas only)
+    this.canvasRef.nativeElement.style.pointerEvents = 'auto';
+    (this.canvasRef.nativeElement.parentElement as HTMLElement).style.pointerEvents = 'none';
+  }
+
+  ngOnDestroy() {
+    this.container?.destroy();
+  }
+}