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HTML

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About the <head>

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CSS

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CSS Base

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JavaScript

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Babel includes JSX processing.

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HTML 

              
                <!-- Not an accessible component, don't use in production. See popover section of this article (una.im/radial-menu) for accessibility needs -->
<div class="menu">
  <button class="menu-toggle">
    <span aria-hidden="true">➕</span>
    <span class="sr-only">menu trigger</span>
  </button>
  <ul class="menu-items">
    <li class="item">
      <button>
        <span aria-hidden="true">♥️</span>
        <span class="sr-only">add to favorites</span>
      </button>
    </li>
    <li class="item">
      <button>
        <span aria-hidden="true">💾</span>
        <span class="sr-only">save to collection</span>
      </button>
    </li>
    <li class="item">
      <button>
        <span aria-hidden="true">🔗</span>
        <span class="sr-only">copy link</span>
      </button>
    </li>
    <li class="item">
      <button>
        <span aria-hidden="true">✉️</span>
        <span class="sr-only">email</span>
      </button>
    </li>
    <li class="item">
      <button>
        <span aria-hidden="true">🛒</span>
        <span class="sr-only">add to cart</span>
      </button>
    </li>
  </ul>
</div>
!

CSS 

              
                @import url('https://fonts.googleapis.com/css2?family=Noto+Emoji:wght@600&display=swap');

:root {
  --btn-size: 2.5rem;
  --extra-space: 1.2rem;
}

/* Where the magic happens */
.item {
  --radius: calc(var(--btn-size) + var(--extra-space));
  background-color: var(--bg);
  transform: translateX(calc(cos(var(--angle)) * var(--radius)))
		         translateY(calc(sin(var(--angle) * -1) * var(--radius)))
             rotate(0deg);
  transition: all 0.3s var(--delay) ease;
}

/* Every item gets a background, angle, and delay */

.item:nth-child(1) {
  --bg: pink;
  --angle: 0deg;
  --delay: 0s;
}

.item:nth-child(2) {
  --bg: thistle;
  --angle: 45deg;
  --delay: 0.1s;
}

.item:nth-child(3) {
  --bg:	paleturquoise;
  --angle: 90deg;
  --delay: 0.2s;
}

.item:nth-child(4) {
  --bg: lightgreen;
  --angle: 135deg;
  --delay: 0.3s;
}

.item:nth-child(5) {
  --bg: peachpuff;
  --angle: 180deg;
  --delay: 0.4s;
}

.menu:not(:focus-within) .item {
  --radius: 0;
  --angle: 0;
  rotate: 45deg;
}

/* rotate the "plus" */
/* .menu-toggle > div {
  transition: transform 0.3s;
}

.menu:focus-within .menu-toggle > div {
  transform: rotate(90deg);
} */

/* Blah blah */

.item {
  border-radius: 50%;
  width: var(--btn-size);
  aspect-ratio: 1/1;
}

.menu-toggle {
  border-radius: 50%;
  width: var(--btn-size);
  aspect-ratio: 1/1;
  background: darksalmon;
  z-index: 1;
}

/* Grid piles */

.menu,
.menu-items,
body,
.item {
  display: grid;
  place-content: center;
}

.menu > *,
.menu-items > *,
body > *
.item button {
  grid-area: 1/1;
}

/* Resets, etc. */
/* visually-hidden ala https://www.scottohara.me/blog/2017/04/14/inclusively-hidden.html */
.sr-only {
  clip: rect(0 0 0 0); 
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap; 
  width: 1px;
}

button {
  border: none;
  background: none;
  font-family: 'Noto Emoji';
  color: #222;
  font-size: 1.25rem;
}

button:focus-visible {
  outline: 2px dashed deeppink;
  border-radius: 50%;
  aspect-ratio: 1/1;
}

body {
  height: 100vh;
}
!

JS
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