Animated section backgrounds that sit behind your content and work on light and dark sections alike.
1Particles
Two layers of tiny glowing dots drifting upward at different speeds, like dust in light. Class: fx-bg-particles
Particles
Help us build a kinder world
Content stays readable on top of the moving background.
<section class="fx-bg-particles bg-dark text-white rounded-4 p-4 text-center d-flex flex-column justify-content-center" style="min-height:210px">
<p class="small text-uppercase fw-semibold mb-1 text-white-50">Particles</p>
<h3 class="h4 fw-bold mb-2">Help us build a kinder world</h3>
<p class="small mb-3 text-white-50">Content stays readable on top of the moving background.</p>
<div>
<a href="#" class="btn btn-primary btn-sm">Get started</a>
</div>
</section>
/* CSS (already in assets/css/effects.css) */
.fx-bg-particles { position: relative; isolation: isolate; overflow: hidden; }
.fx-bg-particles::before, .fx-bg-particles::after { content: ""; position: absolute; pointer-events: none; z-index: -1; }
.fx-bg-particles::before, .fx-bg-particles::after { inset: 0; }
.fx-bg-particles::before {
background-image:
radial-gradient(circle at 10% 20%, rgba(var(--wt-primary-rgb), .65) 0 2px, transparent 3px),
radial-gradient(circle at 35% 70%, rgba(var(--wt-accent-rgb), .6) 0 1.5px, transparent 2.5px),
radial-gradient(circle at 60% 35%, rgba(var(--wt-secondary-rgb), .55) 0 2px, transparent 3px),
radial-gradient(circle at 85% 80%, rgba(var(--wt-primary-rgb), .5) 0 1.5px, transparent 2.5px);
background-size: 180px 180px;
animation: fx-bg-particles-near 14s linear infinite;
}
.fx-bg-particles::after {
opacity: .7;
background-image:
radial-gradient(circle at 20% 55%, rgba(var(--wt-accent-rgb), .55) 0 3px, transparent 4px),
radial-gradient(circle at 70% 15%, rgba(var(--wt-primary-rgb), .45) 0 3.5px, transparent 4.5px),
radial-gradient(circle at 50% 90%, rgba(var(--wt-secondary-rgb), .4) 0 2.5px, transparent 3.5px);
background-size: 300px 300px;
animation: fx-bg-particles-far 30s linear infinite;
}
@keyframes fx-bg-particles-near { to { background-position: 0 -180px; } }
@keyframes fx-bg-particles-far { to { background-position: 0 -300px; } }
@media (prefers-reduced-motion: reduce) {
.fx-bg-particles, .fx-bg-particles::before, .fx-bg-particles::after, .fx-bg-particles *, .fx-bg-particles *::before, .fx-bg-particles *::after { animation: none !important; transition: none !important; }
}2Glitch
Faint scanlines with short bursts of shifted colour bands - a cyber look that keeps the text calm. Class: fx-bg-glitch
Glitch
Giving that you can see
Content stays readable on top of the moving background.
<section class="fx-bg-glitch bg-dark text-white rounded-4 p-4 text-center d-flex flex-column justify-content-center" style="min-height:210px">
<p class="small text-uppercase fw-semibold mb-1 text-white-50">Glitch</p>
<h3 class="h4 fw-bold mb-2">Giving that you can see</h3>
<p class="small mb-3 text-white-50">Content stays readable on top of the moving background.</p>
<div>
<a href="#" class="btn btn-primary btn-sm">Get started</a>
</div>
</section>
/* CSS (already in assets/css/effects.css) */
.fx-bg-glitch { position: relative; isolation: isolate; overflow: hidden; }
.fx-bg-glitch::before, .fx-bg-glitch::after { content: ""; position: absolute; pointer-events: none; z-index: -1; }
.fx-bg-glitch::before {
inset: 0;
background: repeating-linear-gradient(0deg, rgba(var(--wt-primary-rgb), .07) 0 2px, transparent 2px 5px);
}
.fx-bg-glitch::after {
inset: 0;
background: linear-gradient(90deg, rgba(var(--wt-accent-rgb), .22), rgba(var(--wt-primary-rgb), .22) 50%, rgba(var(--wt-secondary-rgb), .22));
-webkit-clip-path: inset(50% 0 50% 0); clip-path: inset(50% 0 50% 0);
animation: fx-bg-glitch-bands 4s steps(1) infinite;
}
@keyframes fx-bg-glitch-bands {
0%, 70%, 100% { -webkit-clip-path: inset(50% 0 50% 0); clip-path: inset(50% 0 50% 0); transform: none; }
72% { -webkit-clip-path: inset(12% 0 78% 0); clip-path: inset(12% 0 78% 0); transform: translateX(-3%); }
75% { -webkit-clip-path: inset(58% 0 30% 0); clip-path: inset(58% 0 30% 0); transform: translateX(4%); }
78% { -webkit-clip-path: inset(30% 0 62% 0); clip-path: inset(30% 0 62% 0); transform: translateX(-2%); }
81% { -webkit-clip-path: inset(80% 0 6% 0); clip-path: inset(80% 0 6% 0); transform: translateX(3%); }
84% { -webkit-clip-path: inset(50% 0 50% 0); clip-path: inset(50% 0 50% 0); }
}
@media (prefers-reduced-motion: reduce) {
.fx-bg-glitch, .fx-bg-glitch::before, .fx-bg-glitch::after, .fx-bg-glitch *, .fx-bg-glitch *::before, .fx-bg-glitch *::after { animation: none !important; transition: none !important; }
}