.uiverse {
    --duration: 7s;
    --easing: linear;
    --c-color-1: rgba(0, 0, 0, 0.7);
    --c-color-2: #000000;
    --c-color-3: rgba(134, 3, 3, 0.7);
    --c-color-4: rgba(134, 3, 3, 0.7);
    --c-shadow: rgba(134, 3, 3, 0.7);
    --c-shadow-inset-top: rgba(134, 3, 3, 0.7);
    --c-shadow-inset-bottom: rgba(255, 250, 215, 0.8);
    --c-radial-inner: #FFB22C;
    --c-radial-outer: rgba(134, 3, 3, 0.7);
    --c-color: #fff;
    -webkit-tap-highlight-color: transparent;
    appearance: none;
    -webkit-appearance: none;
    outline: none;
    position: relative;
    cursor: pointer;
    border: none;
    display: inline-block; /* para <a> */
    border-radius: 24px;
    padding: 0;
    margin: 0;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
    letter-spacing: 0.02em;
    line-height: 1.5;
    color: var(--c-color);
    background: radial-gradient(circle, var(--c-radial-inner), var(--c-radial-outer) 80%);
    box-shadow: 0 0 14px var(--c-shadow);
  }
  .uiverse:before {
    content: "";
    pointer-events: none;
    position: absolute;
    z-index: 3;
    inset: 0;
    border-radius: 24px;
    box-shadow:
      inset 0 3px 12px var(--c-shadow-inset-top),
      inset 0 -3px 4px var(--c-shadow-inset-bottom);
  }
  .uiverse .wrapper {
    -webkit-mask-image: -webkit-radial-gradient(white, black);
    mask-image: radial-gradient(white, black);
    overflow: hidden;
    border-radius: 24px;
    min-width: 132px;
    padding: 12px 18px;
    position: relative;
  }
  .uiverse .wrapper span {
    display: inline-block;
    position: relative;
    z-index: 1;
  }
  .uiverse:hover { --duration: 1400ms; }
  .uiverse .wrapper .circle {
    position: absolute;
    left: 0; top: 0;
    width: 40px; height: 40px;
    border-radius: 50%;
    filter: blur(var(--blur, 8px));
    background: var(--background, transparent);
    transform: translate(var(--x, 0), var(--y, 0)) translateZ(0);
    animation: var(--animation, none) var(--duration) var(--easing) infinite;
  }
  .uiverse .wrapper .circle.circle-1,
  .uiverse .wrapper .circle.circle-9,
  .uiverse .wrapper .circle.circle-10 { --background: var(--c-color-4); }
  .uiverse .wrapper .circle.circle-3,
  .uiverse .wrapper .circle.circle-4 { --background: var(--c-color-2); --blur: 14px; }
  .uiverse .wrapper .circle.circle-5,
  .uiverse .wrapper .circle.circle-6 { --background: var(--c-color-3); --blur: 16px; }
  .uiverse .wrapper .circle.circle-2,
  .uiverse .wrapper .circle.circle-7,
  .uiverse .wrapper .circle.circle-8,
  .uiverse .wrapper .circle.circle-11,
  .uiverse .wrapper .circle.circle-12 { --background: var(--c-color-1); --blur: 12px; }
  .uiverse .wrapper .circle.circle-1  { --x: 0;   --y: -40px; --animation: circle-1; }
  .uiverse .wrapper .circle.circle-2  { --x: 92px; --y: 8px;   --animation: circle-2; }
  .uiverse .wrapper .circle.circle-3  { --x: -12px;--y: -12px; --animation: circle-3; }
  .uiverse .wrapper .circle.circle-4  { --x: 80px; --y: -12px; --animation: circle-4; }
  .uiverse .wrapper .circle.circle-5  { --x: 12px; --y: -4px;  --animation: circle-5; }
  .uiverse .wrapper .circle.circle-6  { --x: 56px; --y: 16px;  --animation: circle-6; }
  .uiverse .wrapper .circle.circle-7  { --x: 8px;  --y: 28px;  --animation: circle-7; }
  .uiverse .wrapper .circle.circle-8  { --x: 28px; --y: -4px;  --animation: circle-8; }
  .uiverse .wrapper .circle.circle-9  { --x: 20px; --y: -12px; --animation: circle-9; }
  .uiverse .wrapper .circle.circle-10 { --x: 64px; --y: 16px;  --animation: circle-10; }
  .uiverse .wrapper .circle.circle-11 { --x: 4px;  --y: 4px;   --animation: circle-11; }
  .uiverse .wrapper .circle.circle-12 { --blur:14px; --x: 52px; --y: 4px; --animation: circle-12; }
  @keyframes circle-1  { 33%{transform:translate(0,16px)} 66%{transform:translate(12px,64px)} }
  @keyframes circle-2  { 33%{transform:translate(80px,-10px)}66%{transform:translate(72px,-48px)} }
  @keyframes circle-3  { 33%{transform:translate(20px,12px)} 66%{transform:translate(12px,4px)} }
  @keyframes circle-4  { 33%{transform:translate(76px,-12px)}66%{transform:translate(112px,-8px)} }
  @keyframes circle-5  { 33%{transform:translate(84px,28px)} 66%{transform:translate(40px,-32px)} }
  @keyframes circle-6  { 33%{transform:translate(28px,-16px)}66%{transform:translate(76px,-56px)} }
  @keyframes circle-7  { 33%{transform:translate(8px,28px)}  66%{transform:translate(20px,-60px)} }
  @keyframes circle-8  { 33%{transform:translate(32px,-4px)} 66%{transform:translate(56px,-20px)} }
  @keyframes circle-9  { 33%{transform:translate(20px,-12px)}66%{transform:translate(80px,-8px)} }
  @keyframes circle-10 { 33%{transform:translate(68px,20px)} 66%{transform:translate(100px,28px)} }
  @keyframes circle-11 { 33%{transform:translate(4px,4px)}   66%{transform:translate(68px,20px)} }
  @keyframes circle-12 { 33%{transform:translate(56px,0)}    66%{transform:translate(60px,-32px)} }