Modern CSS Animations

Keyframe animations for cards, icons, loaders and headings - drop a class on an element and it comes alive.

1Pulse Wave Effect

Sends expanding rings out of a button, avatar or status dot to draw the eye. Class: fx-pulse-wave-effect

Arjun Whitaker

Live now

<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-primary rounded-circle d-inline-flex align-items-center justify-content-center fs-4 fx-pulse-wave-effect" style="width:4rem;height:4rem" aria-label="Start live session"><i class="bi bi-broadcast" aria-hidden="true"></i></button>
  <div class="d-flex align-items-center gap-2">
    <img src="../assets/img/avatar-2.svg" alt="Portrait of the host" class="rounded-circle fx-pulse-wave-effect" width="48" height="48"> 
    <div>
      <div class="fw-semibold small">
        Arjun Whitaker
      </div>
      <span class="badge text-bg-success">Live now</span>
    </div>
  </div>
</div>

/* CSS (already in assets/css/effects.css) */
.fx-pulse-wave-effect { animation: fx-pulse-wave-effect-pulse 2s ease-out infinite; }
@keyframes fx-pulse-wave-effect-pulse {
  0% { box-shadow: 0 0 0 0 rgba(var(--wt-primary-rgb), .55), 0 0 0 0 rgba(var(--wt-primary-rgb), .35); }
  70% { box-shadow: 0 0 0 16px rgba(var(--wt-primary-rgb), 0), 0 0 0 32px rgba(var(--wt-primary-rgb), 0); }
  100% { box-shadow: 0 0 0 0 rgba(var(--wt-primary-rgb), 0), 0 0 0 0 rgba(var(--wt-primary-rgb), 0); }
}
@media (prefers-reduced-motion: reduce) {
  .fx-pulse-wave-effect, .fx-pulse-wave-effect::before, .fx-pulse-wave-effect::after, .fx-pulse-wave-effect *, .fx-pulse-wave-effect *::before, .fx-pulse-wave-effect *::after { animation: none !important; transition: none !important; }
}

2Orbital Motion

Two small planets circle around an avatar, logo or icon on separate orbits. Class: fx-orbital-motion

<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-orbital-motion">
    <img src="../assets/img/avatar-5.svg" alt="Team member avatar" class="rounded-circle shadow" style="width:4.5rem;height:4.5rem">
  </div>
</div>

/* CSS (already in assets/css/effects.css) */
.fx-orbital-motion {
  position: relative; display: inline-grid; place-items: center; width: 9rem; height: 9rem;
  border-radius: 50%; border: 1px dashed rgba(var(--wt-primary-rgb), .45);
}
.fx-orbital-motion::before, .fx-orbital-motion::after {
  content: ""; position: absolute; top: 50%; left: 50%; border-radius: 50%; pointer-events: none;
}
.fx-orbital-motion::before {
  width: 14px; height: 14px; margin: -7px; background: var(--wt-primary);
  box-shadow: 0 0 10px rgba(var(--wt-primary-rgb), .7);
  animation: fx-orbital-motion-outer 5s linear infinite;
}
.fx-orbital-motion::after {
  width: 10px; height: 10px; margin: -5px; background: var(--wt-accent);
  animation: fx-orbital-motion-inner 3.2s linear infinite reverse;
}
@keyframes fx-orbital-motion-outer { from { transform: rotate(0deg) translateX(4.5rem) rotate(0deg); } to { transform: rotate(360deg) translateX(4.5rem) rotate(-360deg); } }
@keyframes fx-orbital-motion-inner { from { transform: rotate(0deg) translateX(3.1rem); } to { transform: rotate(360deg) translateX(3.1rem); } }
@media (prefers-reduced-motion: reduce) {
  .fx-orbital-motion, .fx-orbital-motion::before, .fx-orbital-motion::after, .fx-orbital-motion *, .fx-orbital-motion *::before, .fx-orbital-motion *::after { animation: none !important; transition: none !important; }
}