AI CSS Animations

Command Palette Typing Animation

A query types into a command palette and the results re-rank as you watch: the match slides to the top, lights up and shows its highlighted term, the rest dim. Rows move with transforms only.

Also known as: cmd k search animation, command menu animation css, spotlight search typing.

⌘K
  • New file
  • Toggle theme
  • Share link

HTML

<div class="txt-command-palette-typing">
  <div class="txt-command-palette-typing-input">
    <svg class="txt-command-palette-typing-icon" viewBox="0 0 24 24" aria-hidden="true"><circle cx="11" cy="11" r="6.5"/><path d="m16 16 4.5 4.5"/></svg>
    <span class="txt-command-palette-typing-q" aria-label="theme"><span aria-hidden="true"><span style="--i: 0">t</span><span style="--i: 1">h</span><span style="--i: 2">e</span><span style="--i: 3">m</span><span style="--i: 4">e</span></span></span>
    <kbd class="txt-command-palette-typing-kbd">⌘K</kbd>
  </div>
  <ul class="txt-command-palette-typing-list">
    <li class="txt-command-palette-typing-row">New file</li>
    <li class="txt-command-palette-typing-row txt-command-palette-typing-hit">Toggle <mark>theme</mark><span class="txt-command-palette-typing-enter" aria-hidden="true">↵</span></li>
    <li class="txt-command-palette-typing-row">Share link</li>
  </ul>
</div>

CSS

.txt-command-palette-typing {
  --c: var(--txt-color, #3b82f6);
  font-size: var(--txt-size, 32px);
  font-family: system-ui, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  display: inline-block;
  width: 13em;
  overflow: hidden;
  border-radius: 0.7em;
  font-size: calc(var(--txt-size, 32px) * 0.56);
  font-weight: 500;
  line-height: 1.2;
  text-align: left;
  background: color-mix(in srgb, currentColor 4%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, currentColor 16%, transparent), 0 0.6em 1.2em -0.8em rgb(0 0 0 / 0.3);}
.txt-command-palette-typing-input {
  display: flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.7em 0.8em;
  box-shadow: inset 0 -1px 0 color-mix(in srgb, currentColor 12%, transparent);
}
.txt-command-palette-typing-icon {
  display: block;
  width: 1.1em;
  height: 1.1em;
  fill: none;
  stroke: color-mix(in srgb, currentColor 50%, transparent);
  stroke-width: 2.2;
  stroke-linecap: round;
}
.txt-command-palette-typing-q {
  flex: 1;
  white-space: nowrap;
}
.txt-command-palette-typing-q span span {
  position: relative;
  opacity: 0;
  animation: txt-command-palette-typing-key 0s calc(0.4s + var(--i) * 0.15s) forwards;
}
.txt-command-palette-typing-q span span::after {
  content: "";
  position: absolute;
  top: 0.05em;
  bottom: 0;
  right: -0.07em;
  width: 0.08em;
  background: var(--c);
  opacity: 0;
  animation: txt-command-palette-typing-caret 0.15s step-end calc(0.4s + var(--i) * 0.15s);
}
.txt-command-palette-typing-q span span:last-child::after {
  animation: txt-command-palette-typing-blink 1s step-end calc(0.4s + var(--i) * 0.15s) infinite;
}
.txt-command-palette-typing-kbd {
  padding: 0.15em 0.4em;
  border-radius: 0.3em;
  font: inherit;
  font-size: 0.75em;
  color: color-mix(in srgb, currentColor 55%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, currentColor 22%, transparent);
}
.txt-command-palette-typing-list {
  margin: 0;
  padding: 0.35em;
  list-style: none;
}
.txt-command-palette-typing-row {
  display: flex;
  align-items: center;
  height: 2em;
  padding: 0 0.6em;
  border-radius: 0.4em;
  animation: txt-command-palette-typing-dim 0.4s cubic-bezier(0.3, 0.9, 0.3, 1) 0.75s forwards;
}
.txt-command-palette-typing-row:first-child { --to: translateY(100%); }
.txt-command-palette-typing-hit {
  animation: txt-command-palette-typing-rise 0.4s cubic-bezier(0.3, 0.9, 0.3, 1) 0.75s forwards;
}
.txt-command-palette-typing mark {
  margin-left: 0.3em;
  color: inherit;
  background: none;
  animation: txt-command-palette-typing-match 0.3s ease-out 1.15s forwards;
}
.txt-command-palette-typing-enter {
  margin-left: auto;
  opacity: 0;
  color: var(--c);
  animation: txt-command-palette-typing-key 0.3s ease-out 1.3s forwards;
}
@keyframes txt-command-palette-typing-key {
  to { opacity: 1; }
}
@keyframes txt-command-palette-typing-caret {
  0%, 100% { opacity: 1; }
}
@keyframes txt-command-palette-typing-blink {
  0% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes txt-command-palette-typing-dim {
  to { opacity: 0.45; transform: var(--to, none); }
}
@keyframes txt-command-palette-typing-rise {
  to { transform: translateY(-100%); background: color-mix(in srgb, var(--c) 14%, transparent); }
}
@keyframes txt-command-palette-typing-match {
  to { color: var(--c); font-weight: 700; }
}

@media (prefers-reduced-motion: reduce) {
  .txt-command-palette-typing, .txt-command-palette-typing *, .txt-command-palette-typing::before, .txt-command-palette-typing::after, .txt-command-palette-typing *::before, .txt-command-palette-typing *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

Customizing this snippet

  • Color: set --txt-color on the element or a parent. Currently previewing #3b82f6.
  • Font size: set --txt-size. Every other dimension is in em, so the whole thing scales together. Currently previewing 40px.
  • Speed: change the duration on the transition or animation shorthand. Staggered delays are relative, so they keep their rhythm.
  • Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.

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