Modern CSS Gradient Effects

Animated, mesh, conic and text gradients built from the theme colours.

1Aurora Hover

Northern-lights colour clouds that drift inside a card and brighten when it is hovered. Class: fx-aurora-hover

World-class speakers

Thousands of attendees already trust us, and we work hard to keep it that way.

<div class="d-flex flex-wrap align-items-center justify-content-center gap-3 p-3 h-100" style="min-height:200px">
  <div class="card fx-aurora-hover" style="width:15rem">
    <div class="card-body">
      <h3 class="h6 fw-bold mb-1">World-class speakers</h3>
      <p class="small text-body-secondary mb-2">Thousands of attendees already trust us, and we work hard to keep it that way.</p>
      <a href="#" class="btn btn-primary btn-sm">Details</a> 
    </div>
  </div>
</div>

/* CSS (already in assets/css/effects.css) */
.fx-aurora-hover { position: relative; isolation: isolate; overflow: hidden; }
.fx-aurora-hover::before {
  content: ""; position: absolute; inset: -40%; z-index: -1; pointer-events: none; opacity: .35;
  background:
    radial-gradient(closest-side at 30% 40%, rgba(var(--wt-primary-rgb), .9), transparent),
    radial-gradient(closest-side at 70% 30%, rgba(var(--wt-accent-rgb), .8), transparent),
    radial-gradient(closest-side at 55% 70%, rgba(var(--wt-secondary-rgb), .8), transparent);
  filter: blur(24px);
  transition: opacity .6s ease;
  animation: fx-aurora-hover-drift 12s ease-in-out infinite alternate;
}
.fx-aurora-hover:hover::before, .fx-aurora-hover:focus-within::before { opacity: .85; }
@keyframes fx-aurora-hover-drift {
  from { transform: translate(-6%, -4%) rotate(0deg); }
  to { transform: translate(6%, 5%) rotate(25deg); }
}
@media (prefers-reduced-motion: reduce) {
  .fx-aurora-hover, .fx-aurora-hover::before, .fx-aurora-hover::after, .fx-aurora-hover *, .fx-aurora-hover *::before, .fx-aurora-hover *::after { animation: none !important; transition: none !important; }
}

2Iridescent

A holographic, pearly sheen that shifts its colours as the card is hovered. Class: fx-iridescent

Opal

**** **** **** 5325

Nadia Patel

<div class="d-flex flex-wrap align-items-center justify-content-center gap-3 p-3 h-100" style="min-height:200px">
  <div class="fx-iridescent rounded-4 p-4 shadow-sm" style="width:15rem">
    <div class="d-flex justify-content-between align-items-start mb-4">
      <span class="fw-bold">Opal</span><i class="bi bi-gem" aria-hidden="true"></i>
    </div>
    <div class="font-monospace small mb-1">
      **** **** **** 5325
    </div>
    <div class="small">
      Nadia Patel
    </div>
  </div>
</div>

/* CSS (already in assets/css/effects.css) */
.fx-iridescent {
  position: relative; overflow: hidden; color: #1d1d2b;
  background: linear-gradient(120deg, #f6d5f7, #fbe9d7, #d5f2ef, #d7e2fb, #e9d5fb, #f6d5f7);
  background-size: 300% 300%; background-position: 0% 50%;
  transition: background-position 1.2s ease;
}
.fx-iridescent::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; mix-blend-mode: overlay;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .7) 50%, transparent 65%);
  background-size: 250% 100%; background-position: 100% 0; transition: background-position 1.2s ease;
}
.fx-iridescent:hover, .fx-iridescent:focus-within { background-position: 100% 50%; }
.fx-iridescent:hover::after, .fx-iridescent:focus-within::after { background-position: 0 0; }
@media (prefers-reduced-motion: reduce) {
  .fx-iridescent, .fx-iridescent::before, .fx-iridescent::after, .fx-iridescent *, .fx-iridescent *::before, .fx-iridescent *::after { animation: none !important; transition: none !important; }
}

3Text Mask

Large text that works as a window onto a moving gradient - or onto an image set with an inline background-image. Class: fx-text-mask

BOLD

Explore

<div class="d-flex flex-wrap align-items-center justify-content-center gap-3 p-3 h-100" style="min-height:200px">
  <div class="text-center">
    <div class="display-3 fw-bold lh-1 fx-text-mask">
      BOLD
    </div>
    <div class="display-5 fw-bold lh-1 fx-text-mask" style="--fx-mask-img:initial;background-image:url(https://images.unsplash.com/photo-1770097286213-6d6fc60f4cdf?auto=format&fit=crop&w=1200&h=800&q=70)">
      Explore
    </div>
  </div>
</div>

/* CSS (already in assets/css/effects.css) */
.fx-text-mask {
  color: var(--wt-primary-ink);
  background-image: var(--fx-mask-img, linear-gradient(135deg, var(--wt-primary) 0%, var(--wt-accent) 30%, var(--wt-secondary) 60%, var(--wt-primary) 100%));
  background-size: cover; background-position: 0% 50%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fx-text-mask-pan 10s ease-in-out infinite alternate;
}
.fx-text-mask:not([style*="--fx-mask-img"]) { background-size: 300% 300%; }
@keyframes fx-text-mask-pan { to { background-position: 100% 50%; } }
@media (prefers-reduced-motion: reduce) {
  .fx-text-mask, .fx-text-mask::before, .fx-text-mask::after, .fx-text-mask *, .fx-text-mask *::before, .fx-text-mask *::after { animation: none !important; transition: none !important; }
}