AI CSS Animations

Native Radio Button with accent-color

The lightest option: real browser radios recolored with accent-color and enlarged with width and height. A springy scale on hover and press, and the chosen label turns bold.

Also known as: css radio button color, change radio button size css, accent-color radio button.

HTML

<div class="rad-native-accent-color" role="radiogroup" aria-label="Delivery window">
  <label><input type="radio" name="rad-native-accent-color" value="morning" checked><span>Morning</span></label>
  <label><input type="radio" name="rad-native-accent-color" value="afternoon"><span>Afternoon</span></label>
  <label><input type="radio" name="rad-native-accent-color" value="evening"><span>Evening</span></label>
</div>

CSS

.rad-native-accent-color {
  --c: var(--rad-color, #3b82f6);
  font-size: var(--rad-size, 18px);
  display: grid;
  gap: 0.6em;
  font-family: system-ui, sans-serif;
  line-height: 1.2;
}
.rad-native-accent-color label {
  display: flex;
  align-items: center;
  gap: 0.6em;
  cursor: pointer;
}
.rad-native-accent-color input {
  width: 1.3em;
  height: 1.3em;
  margin: 0;
  accent-color: var(--c);
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.rad-native-accent-color label:hover input {
  transform: scale(1.12);
}
.rad-native-accent-color input:active {
  transform: scale(0.9);
}
.rad-native-accent-color span {
  transition: color 0.2s ease;
}
.rad-native-accent-color input:checked + span {
  color: var(--c);
  font-weight: 600;
}
.rad-native-accent-color input:focus-visible {
  outline: 0.12em solid var(--c);
  outline-offset: 0.15em;
}

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

Tailwind CSS version

The same effect using Tailwind utility classes. No custom CSS or config needed.

<div role="radiogroup" aria-label="Delivery window" class="grid gap-2">
  <label class="group flex cursor-pointer items-center gap-2">
    <input type="radio" name="window" value="morning" checked class="peer h-5 w-5 cursor-pointer accent-blue-500 transition-transform duration-200 ease-[cubic-bezier(.34,1.56,.64,1)] group-hover:scale-110 active:scale-90 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-blue-500">
    <span class="transition-colors peer-checked:font-semibold peer-checked:text-blue-500">Morning</span>
  </label>
  <label class="group flex cursor-pointer items-center gap-2">
    <input type="radio" name="window" value="afternoon" class="peer h-5 w-5 cursor-pointer accent-blue-500 transition-transform duration-200 ease-[cubic-bezier(.34,1.56,.64,1)] group-hover:scale-110 active:scale-90 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-blue-500">
    <span class="transition-colors peer-checked:font-semibold peer-checked:text-blue-500">Afternoon</span>
  </label>
  <label class="group flex cursor-pointer items-center gap-2">
    <input type="radio" name="window" value="evening" class="peer h-5 w-5 cursor-pointer accent-blue-500 transition-transform duration-200 ease-[cubic-bezier(.34,1.56,.64,1)] group-hover:scale-110 active:scale-90 focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-blue-500">
    <span class="transition-colors peer-checked:font-semibold peer-checked:text-blue-500">Evening</span>
  </label>
</div>

Customizing this snippet

  • Color: set --rad-color on the element or a parent. Currently previewing #3b82f6.
  • Size: set --rad-size. Every other dimension is in em, so the whole thing scales together. Currently previewing 18px.
  • 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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