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Space · elijahgummer

HTML, CSS or Tailwind, and a little JavaScript. One button or a group of up to six.

By elijahgummer

Remix button

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Buttons only: no full pages, forms, cards or navigation. Put scripts in the JavaScript tab. Tailwind uses utilities from HTML and JavaScript; use complete class names. Custom CSS supports plain CSS, without @apply, imports or plugins.

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Explore freely here. Remix to publish your version with credit to the creator.

About Space · elijahgummer

Space · elijahgummer is an animated CSS button by elijahgummer. Preview the interaction, customize its HTML, styles and JavaScript, or download the files with creator credit.

Effects and categories
Hover effects, 3D, Animated
Using this example
Copy the HTML or download index.html, style.css and app.js. Test keyboard focus, motion and contrast in your own project.

Usage, Tailwind and licensing questions

Read the source files

HTML

<div class="galaxy-button">
  <button class="space-button">
    <span class="backdrop"></span>
    <span class="galaxy"></span>
    <label class="text">Space</label>
  </button>
  <div class="bodydrop"></div>
</div>

CSS


.text {
  translate: 2% -6%;
  letter-spacing: 0.01ch;
  color: hsl(0 0% calc(60% + (var(--active) * 26%)));
  z-index: 999;
  padding: 0 34px;
  font-weight: 600;
}
.text::before {
  content: "";
  position: absolute;
  top: -290%;
  left: 90%;
  rotate: -45deg;
  width: 5em;
  height: 1px;
  background: linear-gradient(90deg, #ffffff, transparent);
  animation: 4s shootingStar ease-in-out infinite;
  transition: 1s ease;
  z-index: -1;
  animation-delay: 1s;
  display: none;
}
.text::after {
  content: "";
  display: none;
  position: absolute;
  top: -290%;
  left: 10%;
  rotate: -45deg;
  width: 5em;
  height: 1px;
  background: linear-gradient(90deg, #ffffff, transparent);
  animation: 7s shootingStar ease-in-out infinite;
  animation-delay: 3s;
}
.space-button:hover .text::before,
.space-button:hover .text::after {
  display: block;
}
.galaxy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  opacity: 1;
  box-shadow:
    140px 20px #fff,
    425px 20px #fff,
    70px 120px #fff,
    20px 130px #fff,
    110px 80px #fff,
    280px 80px #fff,
    250px 350px #fff,
    280px 230px #fff,
    220px 190px #fff,
    450px 100px #fff,
    380px 80px #fff,
    520px 50px #fff;
  z-index: -1;
  transition: all 1.5s ease-in-out;
  animation: 1s glowing-stars linear alternate infinite;
  animation-delay: 0.4s;
}
.galaxy::after {
  content: "";
  position: absolute;
  top: -150px;
  left: -65px;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  opacity: 1;
  box-shadow:
    490px 330px #fff,
    420px 300px #fff,
    320px 280px #fff,
    380px 350px #fff,
    546px 170px #fff,
    420px 180px #fff,
    370px 150px #fff,
    200px 250px #fff,
    80px 20px #fff,
    190px 50px #fff,
    270px 20px #fff,
    120px 230px #fff,
    350px -1px #fff,
    150px 369px #fff;
  z-index: -1;
  transition: all 2s ease-in-out;
  animation: 1s glowing-stars linear alternate infinite;
  animation-delay: 0.8s;
}
.space-button {
  --cut: 0.1em;
  --active: 0;
  --bg: radial-gradient(
        120% 120% at 126% 126%,
        hsl(0 calc(var(--active) * 97%) 98% / calc(var(--active) * 0.9)) 40%,
        /* Changed hue to 0 for red */ transparent 50%
      )
      calc(100px - (var(--active) * 100px)) 0 / 100% 100% no-repeat,
    radial-gradient(
        120% 120% at 120% 120%,
        hsl(0 calc(var(--active) * 97%) 70% / calc(var(--active) * 1)) 30%,
        /* Changed hue to 0 for red */ transparent 70%
      )
      calc(100px - (var(--active) * 100px)) 0 / 100% 100% no-repeat,
    hsl(0 calc(var(--active) * 100%) calc(12% - (var(--active) * 8%))); /* Changed hue to 0 for red */
  background: var(--bg);
  font-size: 1.4rem;
  font-weight: 500;
  border: 0;
  cursor: pointer;
  padding: 0.9em 1.3em;
  display: flex;
  align-items: center;
  gap: 0.25em;
  white-space: nowrap;
  border-radius: 2rem;
  position: relative;
  box-shadow:
    0 0 calc(var(--active) * 6em) calc(var(--active) * 3em)
      hsla(12, 97%, 61%, 0.3),
    0 0.05em 0 0
      hsl(0, calc(var(--active) * 97%), calc((var(--active) * 50%) + 30%)) inset,
    0 -0.05em 0 0 hsl(0, calc(var(--active) * 97%), calc(var(--active) * 10%)) inset;

  transition:
    box-shadow 0.25s ease-out,
    scale 0.25s,
    background 0.25s;
  scale: calc(1 + (var(--active) * 0.1));
  transform-style: preserve-3d;
  perspective: 100vmin;
  overflow: hidden;
}
.space-button:active {
  scale: 1;
  --bg: radial-gradient(
        120% 120% at 126% 126%,
        hsl(245 calc(var(--active) * 97%) 98% / calc(var(--active) * 0.9)) 40%,
        transparent 50%
      )
      calc(100px - (var(--active) * 100px)) 0 / 100% 100% no-repeat,
    radial-gradient(
        120% 120% at 120% 120%,
        hsl(245 calc(var(--active) * 97%) 70% / calc(var(--active) * 1)) 30%,
        transparent 70%
      )
      calc(100px - (var(--active) * 100px)) 0 / 100% 100% no-repeat,
    hsl(245 calc(var(--active) * 100%) calc(12% - (var(--active) * 8%)));
  box-shadow:
    0 0 calc(var(--active) * 6em) calc(var(--active) * 3em)
      hsl(245 97% 61% / 0.5),
    0 0.05em 0 0
      hsl(245 calc(var(--active) * 97%) calc((var(--active) * 50%) + 30%)) inset,
    0 -0.05em 0 0 hsl(245 calc(var(--active) * 97%) calc(var(--active) * 10%)) inset;
  background: var(--bg);
}

/* Apply wobble animation on active button */
.space-button:active .text {
  font-weight: 300;
  animation:
    wobble 0.6s ease-in-out infinite,
    blurMove 1.5s ease-in-out infinite;
  text-shadow:
    5px 5px 20px rgba(255, 255, 255, 0.8),
    10px 10px 30px rgba(255, 0, 255, 0.6);
}

/* Wobble animation */
@keyframes wobble {
  0%,
  100% {
    transform: translate(0, 0);
  }
  25% {
    transform: translate(-2px, -10px);
  }
  50% {
    transform: translate(2px, 3px);
  }
  75% {
    transform: translate(-1px, 5px);
  }
}

/* Blur move animation */
@keyframes blurMove {
  0%,
  100% {
    text-shadow:
      5px 5px 20px rgba(255, 255, 255, 0.8),
      10px 10px 30px rgba(255, 0, 255, 0.6);
  }
  50% {
    filter: blur(1px);
    text-shadow:
      10px 10px 25px rgba(255, 255, 255, 0.8),
      15px 15px 35px rgba(255, 0, 255, 0.6);
  }
}

.galaxy:active::before {
  animation: circling 2s linear infinite; /* Animation for circling effect */
}
.galaxy:active::after {
  animation: circling 1.5s linear infinite; /* Animation for circling effect */
}

@keyframes circling {
  0% {
    transform: translate(-10px, -20%) rotate(0deg);
  }
  100% {
    transform: translate(-10px, -20%) rotate(200deg);
  }
}
.galaxy {
  position: absolute;
  width: 100%;
  aspect-ratio: 1;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
  overflow: hidden;
  opacity: var(--active);
  transition: opacity 0.25s;
}

@-webkit-keyframes move-x {
  0% {
    translate: -100px 0;
  }
  100% {
    translate: 100px 0;
  }
}
@keyframes move-x {
  0% {
    translate: -100px 0;
  }
  100% {
    translate: 100px 0;
  }
}
@-webkit-keyframes move-y {
  0% {
    transform: translate(0, -50px);
  }
  100% {
    transform: translate(0, 50px);
  }
}
@keyframes move-y {
  0% {
    transform: translate(0, -50px);
  }
  100% {
    transform: translate(0, 50px);
  }
}

.backdrop {
  position: absolute;
  inset: var(--cut);
  background: var(--bg);
  border-radius: 2rem;
  transition: background 0.25s;
}

@supports (selector(:has(:is(+ *)))) {
  body:has(button:is(:hover, :focus-visible)) {
    --active: 1;
    --play-state: running;
  }
  .bodydrop {
    display: none;
  }
}

.space-button:is(:hover, :focus-visible) ~ :is(.bodydrop, .particle-pen) {
  --active: 1;
  --play-state: running;
}

.space-button:is(:hover, :focus-visible) {
  --active: 1;
  --play-state: running;
}

.galaxy-button {
  position: relative;
}

/* ANIMATIONS */
@keyframes shootingStar {
  0% {
    transform: translateX(0) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-55em) translateY(0);
    opacity: 1;
  }
  70% {
    transform: translateX(-70em) translateY(0);
    opacity: 0;
  }
  100% {
    transform: translateX(0) translateY(0);
    opacity: 0;
  }
}

@keyframes glowing-stars {
  0% {
    opacity: 0;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}