Blur In Tooltip: Pure CSS Tooltip

Blur In Tooltip

The tooltip comes into focus: it starts large and blurred and settles sharp above the button, like a camera pulling focus. Animates filter: blur() together with a scale.

Also known as: blur tooltip css, focus in tooltip animation, zoom blur tooltip.

Color Base size 16px Dark background Hold hover state

HTML

<span class="tip-blur-in">
  <button type="button" aria-describedby="tip-blur-in-tip"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M2.5 12S6 5.5 12 5.5 21.5 12 21.5 12 18 18.5 12 18.5 2.5 12 2.5 12z"/><circle cx="12" cy="12" r="3"/></svg>Preview</button>
  <span class="tip-blur-in-tip" id="tip-blur-in-tip" role="tooltip">Opens in a new tab</span>
</span>

CSS

.tip-blur-in {
  --c: var(--tip-color, #3b82f6);
  font-size: var(--tip-size, 16px);
  position: relative;
  display: inline-flex;
}
.tip-blur-in button {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.6em 1.2em;
  border: 0;
  border-radius: 0.5em;
  background: var(--c);
  color: #fff;
  font: 600 1em system-ui, sans-serif;
  cursor: pointer;
}
.tip-blur-in svg {
  width: 1.2em;
  height: 1.2em;
}
.tip-blur-in button:focus-visible {
  outline: 2px solid var(--c);
  outline-offset: 2px;
}
.tip-blur-in-tip {
  position: absolute;
  bottom: calc(100% + 0.75em);
  left: 50%;
  z-index: 10;
  padding: 0.45em 0.8em;
  border-radius: 0.45em;
  background: color-mix(in srgb, var(--c) 14%, #0f172a);
  box-shadow: 0 0 0 1px rgb(255 255 255 / 0.07), 0 0.5em 1em -0.4em rgb(0 0 0 / 0.5);
  color: #fff;
  font: 500 0.85em/1.3 system-ui, sans-serif;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  filter: blur(0.35em);
  transform-origin: 50% 100%;
  transform: translateX(-50%) scale(1.25);
  transition: opacity 0.25s ease, filter 0.35s ease, transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0.4s;
}
.tip-blur-in-tip::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  width: 0.6em;
  height: 0.6em;
  background: inherit;
  transform: translate(-50%, -50%) rotate(45deg);
}
.tip-blur-in:hover .tip-blur-in-tip,
.tip-blur-in:focus-within .tip-blur-in-tip {
  opacity: 1;
  visibility: visible;
  filter: blur(0);
  transform: translateX(-50%) scale(1);
}

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

Customizing this snippet

Color: set --tip-color on the element or a parent. Currently previewing #3b82f6.
Base size: set --tip-size. Every other dimension is in em, so the whole thing scales together. Currently previewing 16px.
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.

Blur In Tooltip

HTML

CSS

Customizing this snippet

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