Modern CSS Gradient Effects

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

1Color Morphing

Smoothly cycles a background and its glow through the theme colours - nice for badges and CTAs. Class: fx-color-morphing

<div class="d-flex flex-wrap align-items-center justify-content-center gap-3 p-3 h-100" style="min-height:200px">
  <button type="button" class="btn btn-lg border-0 rounded-pill fx-color-morphing">Start now</button>
  <div class="fx-color-morphing rounded-circle d-grid fs-3" style="width:72px;height:72px;place-items:center">
    <i class="bi bi-lightning-charge-fill" aria-hidden="true"></i>
  </div>
</div>

/* CSS (already in assets/css/effects.css) */
.fx-color-morphing { color: var(--wt-on-primary, #fff); background-color: var(--wt-primary); animation: fx-color-morphing-morph 6s ease-in-out infinite; }
@keyframes fx-color-morphing-morph {
  0%, 100% { background-color: var(--wt-primary); box-shadow: 0 10px 24px -10px rgba(var(--wt-primary-rgb), .8); }
  33% { background-color: var(--wt-accent); box-shadow: 0 10px 24px -10px rgba(var(--wt-accent-rgb), .8); }
  66% { background-color: var(--wt-secondary); box-shadow: 0 10px 24px -10px rgba(var(--wt-secondary-rgb), .8); }
}
@media (prefers-reduced-motion: reduce) {
  .fx-color-morphing, .fx-color-morphing::before, .fx-color-morphing::after, .fx-color-morphing *, .fx-color-morphing *::before, .fx-color-morphing *::after { animation: none !important; transition: none !important; }
}

2Iridescent

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

Coraeon

**** **** **** 4915

Freya Larsen

<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">Coraeon</span><i class="bi bi-gem" aria-hidden="true"></i>
    </div>
    <div class="font-monospace small mb-1">
      **** **** **** 4915
    </div>
    <div class="small">
      Freya Larsen
    </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

Wander

<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-1601647998829-ee316a565aea?auto=format&fit=crop&w=1200&h=800&q=70)">
      Wander
    </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; }
}