Longcat Spinner

 <div class="cat">
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
    <div class="cat__segment"></div>
  </div>

* {
	border: 0;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
  }
  
  body {
	background: #2c4763;
	display: flex;
	font-size: calc(16px + (20 - 16) * (100vw - 320px) / (1280 - 320));
	height: 100vh;
	line-height: 1.5;
  }
  
  .cat {
	margin: auto;
	position: relative;
	width: 16em;
	height: 16em;
  }
  .cat__segment {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 3em;
	height: 2em;
	transform: translate(-50%, -50%);
  }
  .cat__segment:before {
	animation: loop 2s cubic-bezier(0.6, 0, 0.4, 1) infinite running;
	background: linear-gradient(90deg, white 20%, #e6e6e6 20% 80%, white 80%);
	border-radius: 0.25em;
	content: "";
	display: block;
	will-change: transform;
	width: 100%;
	height: 100%;
  }
  .cat__segment:first-of-type {
	width: 4em;
	height: 4em;
	z-index: 1;
  }
  .cat__segment:first-of-type:before {
	background: radial-gradient(0.25em 0.25em at 1.25em 1.6em, white 48%, rgba(255, 255, 255, 0) 50%), radial-gradient(0.75em 0.75em at 1.25em 1.75em, #1a1a1a 48%, rgba(26, 26, 26, 0) 50%), radial-gradient(0.25em 0.25em at 2.75em 1.6em, white 48%, rgba(255, 255, 255, 0) 50%), radial-gradient(0.75em 0.75em at 2.75em 1.75em, #1a1a1a 48%, rgba(26, 26, 26, 0) 50%), radial-gradient(0.9em 0.8em at 1.5em 2.65em, white 48%, rgba(255, 255, 255, 0) 50%), radial-gradient(0.9em 0.8em at 2.5em 2.65em, white 48%, rgba(255, 255, 255, 0) 50%), radial-gradient(1em 0.8em at 1.6em 2.75em, #cccccc 48%, rgba(204, 204, 204, 0) 50%), radial-gradient(1em 0.8em at 2.4em 2.75em, #cccccc 48%, rgba(204, 204, 204, 0) 50%), radial-gradient(0.75em 0.75em at 50% 2.5em, #e69999 48%, rgba(230, 153, 153, 0) 50%), radial-gradient(4em 3em at 50% 2em, white 48%, rgba(255, 255, 255, 0) 50%), radial-gradient(4em 3em at 50% 2.2em, #cccccc 48%, rgba(204, 204, 204, 0) 50%), radial-gradient(1em 3em at 0.75em 1.5em, #e69999 39%, white 40% 49%, rgba(255, 255, 255, 0) 50%), radial-gradient(1em 3em at 3.25em 1.5em, #e69999 39%, white 40% 49%, rgba(255, 255, 255, 0) 50%), radial-gradient(1em 2em at 0.5em 2.8em, white 48%, rgba(255, 255, 255, 0) 50%), radial-gradient(1em 2em at 0.5em 3em, #cccccc 48%, rgba(204, 204, 204, 0) 50%), radial-gradient(1em 2em at 3.5em 2.8em, white 48%, rgba(255, 255, 255, 0) 50%), radial-gradient(1em 2em at 3.5em 3em, #cccccc 48%, rgba(204, 204, 204, 0) 50%);
	background-repeat: no-repeat;
  }
  .cat__segment:last-of-type {
	width: 3em;
	height: 4em;
  }
  .cat__segment:last-of-type:before {
	background: linear-gradient(90deg, white 20%, #e6e6e6 20% 80%, white 80%) 0 1.5em/3em 0.5em, radial-gradient(3em 2em at top center, #e6e6e6 30%, white 31% 48%, rgba(255, 255, 255, 0) 50%) 0 2em/3em 2em, radial-gradient(1em 4em at 0.5em 0, white 48%, rgba(255, 255, 255, 0) 50%) 0 2em/3em 2em, radial-gradient(1em 4em at 2.5em 0, white 48%, rgba(255, 255, 255, 0) 50%) 0 2em/3em 2em;
	background-repeat: no-repeat;
  }
  .cat__segment:nth-of-type(1) {
	transform: translate(-50%, -50%) rotate(-20deg);
  }
  .cat__segment:nth-of-type(1):before {
	animation-delay: 0s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(2) {
	transform: translate(-50%, -50%) rotate(-18.6666666667deg);
  }
  .cat__segment:nth-of-type(2):before {
	animation-delay: 0.02s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(3) {
	transform: translate(-50%, -50%) rotate(-17.3333333333deg);
  }
  .cat__segment:nth-of-type(3):before {
	animation-delay: 0.04s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(4) {
	transform: translate(-50%, -50%) rotate(-16deg);
  }
  .cat__segment:nth-of-type(4):before {
	animation-delay: 0.06s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(5) {
	transform: translate(-50%, -50%) rotate(-14.6666666667deg);
  }
  .cat__segment:nth-of-type(5):before {
	animation-delay: 0.08s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(6) {
	transform: translate(-50%, -50%) rotate(-13.3333333333deg);
  }
  .cat__segment:nth-of-type(6):before {
	animation-delay: 0.1s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(7) {
	transform: translate(-50%, -50%) rotate(-12deg);
  }
  .cat__segment:nth-of-type(7):before {
	animation-delay: 0.12s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(8) {
	transform: translate(-50%, -50%) rotate(-10.6666666667deg);
  }
  .cat__segment:nth-of-type(8):before {
	animation-delay: 0.14s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(9) {
	transform: translate(-50%, -50%) rotate(-9.3333333333deg);
  }
  .cat__segment:nth-of-type(9):before {
	animation-delay: 0.16s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(10) {
	transform: translate(-50%, -50%) rotate(-8deg);
  }
  .cat__segment:nth-of-type(10):before {
	animation-delay: 0.18s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(11) {
	transform: translate(-50%, -50%) rotate(-6.6666666667deg);
  }
  .cat__segment:nth-of-type(11):before {
	animation-delay: 0.2s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(12) {
	transform: translate(-50%, -50%) rotate(-5.3333333333deg);
  }
  .cat__segment:nth-of-type(12):before {
	animation-delay: 0.22s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(13) {
	transform: translate(-50%, -50%) rotate(-4deg);
  }
  .cat__segment:nth-of-type(13):before {
	animation-delay: 0.24s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(14) {
	transform: translate(-50%, -50%) rotate(-2.6666666667deg);
  }
  .cat__segment:nth-of-type(14):before {
	animation-delay: 0.26s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(15) {
	transform: translate(-50%, -50%) rotate(-1.3333333333deg);
  }
  .cat__segment:nth-of-type(15):before {
	animation-delay: 0.28s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(16) {
	transform: translate(-50%, -50%) rotate(0deg);
  }
  .cat__segment:nth-of-type(16):before {
	animation-delay: 0.3s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(17) {
	transform: translate(-50%, -50%) rotate(1.3333333333deg);
  }
  .cat__segment:nth-of-type(17):before {
	animation-delay: 0.32s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(18) {
	transform: translate(-50%, -50%) rotate(2.6666666667deg);
  }
  .cat__segment:nth-of-type(18):before {
	animation-delay: 0.34s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(19) {
	transform: translate(-50%, -50%) rotate(4deg);
  }
  .cat__segment:nth-of-type(19):before {
	animation-delay: 0.36s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(20) {
	transform: translate(-50%, -50%) rotate(5.3333333333deg);
  }
  .cat__segment:nth-of-type(20):before {
	animation-delay: 0.38s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(21) {
	transform: translate(-50%, -50%) rotate(6.6666666667deg);
  }
  .cat__segment:nth-of-type(21):before {
	animation-delay: 0.4s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(22) {
	transform: translate(-50%, -50%) rotate(8deg);
  }
  .cat__segment:nth-of-type(22):before {
	animation-delay: 0.42s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(23) {
	transform: translate(-50%, -50%) rotate(9.3333333333deg);
  }
  .cat__segment:nth-of-type(23):before {
	animation-delay: 0.44s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(24) {
	transform: translate(-50%, -50%) rotate(10.6666666667deg);
  }
  .cat__segment:nth-of-type(24):before {
	animation-delay: 0.46s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(25) {
	transform: translate(-50%, -50%) rotate(12deg);
  }
  .cat__segment:nth-of-type(25):before {
	animation-delay: 0.48s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(26) {
	transform: translate(-50%, -50%) rotate(13.3333333333deg);
  }
  .cat__segment:nth-of-type(26):before {
	animation-delay: 0.5s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(27) {
	transform: translate(-50%, -50%) rotate(14.6666666667deg);
  }
  .cat__segment:nth-of-type(27):before {
	animation-delay: 0.52s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(28) {
	transform: translate(-50%, -50%) rotate(16deg);
  }
  .cat__segment:nth-of-type(28):before {
	animation-delay: 0.54s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(29) {
	transform: translate(-50%, -50%) rotate(17.3333333333deg);
  }
  .cat__segment:nth-of-type(29):before {
	animation-delay: 0.56s;
	transform: translateX(6em);
  }
  .cat__segment:nth-of-type(30) {
	transform: translate(-50%, -50%) rotate(18.6666666667deg);
  }
  .cat__segment:nth-of-type(30):before {
	animation-delay: 0.58s;
	transform: translateX(6em);
  }
  
  @keyframes loop {
	from {
	  transform: rotate(0) translateX(6em);
	}
	to {
	  transform: rotate(-1turn) translateX(6em);
	}
  }