style.css

.all-wrap {
  -webkit-animation: bob 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
          animation: bob 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
}

.all {
  top: 10rem;
  left: calc(50% - 2.5rem);
  position: absolute;
  width: 5rem;
  height: 5rem;
  transform-origin: center -20rem;
  -webkit-animation: swing 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
          animation: swing 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
}
.all:before {
  height: 20rem;
  width: 2px;
  background-color: #DB242A;
  left: calc(50% - 1px);
  bottom: 20rem;
}

.yarn {
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-image: radial-gradient(circle at top left, #e97c7f, #DB242A 50%, #af1d22);
  z-index: 1;
}
.yarn:before, .yarn:after {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: white;
  top: -1px;
}
.yarn:before {
  left: calc(50% + 7px);
  background-color: #b1bce6;
}
.yarn:after {
  right: calc(50% + 7px);
  background-color: #D5E8F8;
}

.cat-wrap {
  position: absolute;
  top: 0;
  left: calc(50% - 45px);
  width: 90px;
  height: 130px;
  -webkit-animation: reverse-swing 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
          animation: reverse-swing 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
  transform-origin: top center;
}

.cat {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-animation: swing 7s 0.2s infinite both;
          animation: swing 7s 0.2s infinite both;
  transform-origin: top center;
}

.cat-upper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-origin: top center;
  z-index: 1;
}
.cat-upper .cat-leg {
  position: absolute;
  width: 20px;
  height: 100%;
  background-color: white;
  z-index: -1;
  background-image: linear-gradient(to right, #D5E8F8, #D5E8F8 20%, #8B9BD9);
}
.cat-upper .cat-leg:nth-child(1) {
  border-top-left-radius: 100px;
  left: 10px;
}
.cat-upper .cat-leg:nth-child(1):after {
  left: 50%;
}
.cat-upper .cat-leg:nth-child(2) {
  border-top-left-radius: 0;
  border-top-right-radius: 100px;
  right: 10px;
}
.cat-upper .cat-leg:nth-child(2):after {
  right: 50%;
}

.cat-lower-wrap {
  height: 90%;
  width: 100%;
  position: absolute;
  top: 100%;
  width: 75px;
  left: calc(50% - 37.5px);
  -webkit-animation: reverse-swing 7s 0.2s infinite both;
          animation: reverse-swing 7s 0.2s infinite both;
  transform-origin: top center;
}

.cat-lower {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -webkit-animation: swing 7s 0.5s infinite both;
          animation: swing 7s 0.5s infinite both;
  transform-origin: top center;
}
.cat-lower:after {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 100px;
  background-image: radial-gradient(circle at 10px 50px, white, white 40%, #D5E8F8 65%, #8B9BD9);
  z-index: 1;
}
.cat-lower .cat-leg, .cat-lower .cat-paw {
  z-index: -1;
  position: absolute;
  height: 20px;
  width: 20px;
  -webkit-animation: swing-leg 7s 0.3s infinite both;
          animation: swing-leg 7s 0.3s infinite both;
  z-index: 1;
  transform-origin: top center;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  background-image: linear-gradient(to right, white, #D5E8F8, #8B9BD9);
}
.cat-lower > .cat-leg {
  bottom: 20px;
}
.cat-lower > .cat-leg .cat-leg {
  top: 25%;
}
.cat-lower > .cat-leg + .cat-leg {
  right: 0;
}
.cat-lower .cat-paw {
  top: 50%;
  border-radius: 50%;
  background-color: #fff;
}
.cat-lower .cat-tail {
  position: absolute;
  height: 15px;
  width: 10px;
  -webkit-animation: swing-tail 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
          animation: swing-tail 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
  transform-origin: top center;
  z-index: 0;
  background-image: linear-gradient(to right, white, #D5E8F8, #8B9BD9);
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
}
.cat-lower .cat-tail > .cat-tail {
  top: 50%;
}
.cat-lower > .cat-tail {
  left: calc(50% - 5px);
  top: 95%;
}

.cat-head {
  width: 90px;
  height: 90px;
  background-image: radial-gradient(circle at 10px 10px, white, white 40%, #D5E8F8 65%, #8B9BD9);
  border-radius: 50%;
  top: calc(100% - 45px);
}

.cat-face {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  -webkit-animation: face 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
          animation: face 7s cubic-bezier(0.5, 0, 0.5, 1) infinite both;
  transform-style: preserve-3d;
  perspective: 100px;
}

.cat-ears {
  position: absolute;
  top: 0;
  left: 0;
  height: 50%;
  width: 100%;
  z-index: -1;
}

.cat-ear {
  width: 20px;
  height: 100%;
  position: absolute;
  border-radius: 5px;
  top: -10px;
}
.cat-ear:first-child {
  left: 0;
  transform-origin: top left;
  transform: skewY(40deg);
  background-color: white;
}
.cat-ear:first-child:before {
  left: 0;
  border-top-right-radius: 50%;
  border-bottom-right-radius: 50%;
  background-color: #D7EBFB;
}
.cat-ear:last-child {
  right: 0;
  transform-origin: top right;
  transform: skewY(-40deg);
  background-color: #d1e6f7;
}
.cat-ear:last-child:before {
  right: 0;
  border-top-left-radius: 50%;
  border-bottom-left-radius: 50%;
  background-color: #e0f0fc;
}
.cat-ear:before {
  width: 60%;
  height: 100%;
  top: 10px;
  position: absolute;
  background-color: #fff;
}

.cat-eyes {
  position: absolute;
  top: 50%;
  width: 100%;
  height: 6px;
  -webkit-animation: blink 7s step-end infinite both;
          animation: blink 7s step-end infinite both;
}
.cat-eyes:before, .cat-eyes:after {
  position: absolute;
  height: 6px;
  width: 6px;
  border-radius: 50%;
  background-color: #4B4D75;
}
.cat-eyes:before {
  left: 20px;
}
.cat-eyes:after {
  right: 20px;
}

.cat-mouth {
  position: absolute;
  width: 12px;
  height: 8px;
  background-color: #4B4D75;
  top: 60%;
  left: calc(50% - 6px);
  border-top-left-radius: 50% 30%;
  border-top-right-radius: 50% 30%;
  border-bottom-left-radius: 50% 70%;
  border-bottom-right-radius: 50% 70%;
  transform: translateZ(10px);
}
.cat-mouth:before, .cat-mouth:after {
  position: absolute;
  width: 90%;
  height: 100%;
  border: 2px solid #9FA2CB;
  top: 80%;
  border-radius: 100px;
  border-top-color: transparent;
  z-index: -1;
}
.cat-mouth:before {
  border-left-color: transparent;
  right: calc(50% - 1px);
  transform-origin: top right;
  transform: rotate(10deg);
}
.cat-mouth:after {
  border-right-color: transparent;
  left: calc(50% - 1px);
  transform-origin: top left;
  transform: rotate(-10deg);
}

.cat-whiskers {
  width: 50%;
  height: 8px;
  position: absolute;
  bottom: 25%;
  left: 25%;
  transform-style: preserve-3d;
  perspective: 60px;
}
.cat-whiskers:before, .cat-whiskers:after {
  position: absolute;
  height: 100%;
  width: 30%;
  border: 2px solid #9FA2CB;
  border-left: none;
  border-right: none;
}
.cat-whiskers:before {
  right: 100%;
  transform-origin: right center;
  transform: rotateY(70deg) rotateZ(-10deg);
}
.cat-whiskers:after {
  left: 100%;
  transform-origin: left center;
  transform: rotateY(-70deg) rotateZ(10deg);
}

@-webkit-keyframes bob {
  0% {
    transform: translateY(0.4rem);
  }
  6.25% {
    transform: translateY(-0.4rem);
  }
  12.5% {
    transform: translateY(0.4rem);
  }
  18.75% {
    transform: translateY(-0.4rem);
  }
  25% {
    transform: translateY(0.4rem);
  }
  31.25% {
    transform: translateY(-0.4rem);
  }
  37.5% {
    transform: translateY(0.4rem);
  }
  43.75% {
    transform: translateY(-0.4rem);
  }
  50% {
    transform: translateY(0.4rem);
  }
  56.25% {
    transform: translateY(-0.4rem);
  }
  62.5% {
    transform: translateY(0.4rem);
  }
  68.75% {
    transform: translateY(-0.4rem);
  }
  75% {
    transform: translateY(0.4rem);
  }
  81.25% {
    transform: translateY(-0.4rem);
  }
  87.5% {
    transform: translateY(0.4rem);
  }
  93.75% {
    transform: translateY(-0.4rem);
  }
  100% {
    transform: translateY(0.4rem);
  }
}

@keyframes bob {
  0% {
    transform: translateY(0.4rem);
  }
  6.25% {
    transform: translateY(-0.4rem);
  }
  12.5% {
    transform: translateY(0.4rem);
  }
  18.75% {
    transform: translateY(-0.4rem);
  }
  25% {
    transform: translateY(0.4rem);
  }
  31.25% {
    transform: translateY(-0.4rem);
  }
  37.5% {
    transform: translateY(0.4rem);
  }
  43.75% {
    transform: translateY(-0.4rem);
  }
  50% {
    transform: translateY(0.4rem);
  }
  56.25% {
    transform: translateY(-0.4rem);
  }
  62.5% {
    transform: translateY(0.4rem);
  }
  68.75% {
    transform: translateY(-0.4rem);
  }
  75% {
    transform: translateY(0.4rem);
  }
  81.25% {
    transform: translateY(-0.4rem);
  }
  87.5% {
    transform: translateY(0.4rem);
  }
  93.75% {
    transform: translateY(-0.4rem);
  }
  100% {
    transform: translateY(0.4rem);
  }
}
@-webkit-keyframes swing {
  0% {
    transform: rotate(5deg);
  }
  12.5% {
    transform: rotate(-10deg);
  }
  25% {
    transform: rotate(10deg);
  }
  37.5% {
    transform: rotate(-15deg);
  }
  50% {
    transform: rotate(23deg);
  }
  62.5% {
    transform: rotate(-23deg);
  }
  75% {
    transform: rotate(15deg);
  }
  87.5% {
    transform: rotate(-10deg);
  }
  100% {
    transform: rotate(5deg);
  }
}
@keyframes swing {
  0% {
    transform: rotate(5deg);
  }
  12.5% {
    transform: rotate(-10deg);
  }
  25% {
    transform: rotate(10deg);
  }
  37.5% {
    transform: rotate(-15deg);
  }
  50% {
    transform: rotate(23deg);
  }
  62.5% {
    transform: rotate(-23deg);
  }
  75% {
    transform: rotate(15deg);
  }
  87.5% {
    transform: rotate(-10deg);
  }
  100% {
    transform: rotate(5deg);
  }
}
@-webkit-keyframes swing-leg {
  0% {
    transform: rotate(0.5deg);
  }
  12.5% {
    transform: rotate(-1deg);
  }
  25% {
    transform: rotate(1deg);
  }
  37.5% {
    transform: rotate(-1.5deg);
  }
  50% {
    transform: rotate(2.3deg);
  }
  62.5% {
    transform: rotate(-2.3deg);
  }
  75% {
    transform: rotate(1.5deg);
  }
  87.5% {
    transform: rotate(-1deg);
  }
  100% {
    transform: rotate(0.5deg);
  }
}
@keyframes swing-leg {
  0% {
    transform: rotate(0.5deg);
  }
  12.5% {
    transform: rotate(-1deg);
  }
  25% {
    transform: rotate(1deg);
  }
  37.5% {
    transform: rotate(-1.5deg);
  }
  50% {
    transform: rotate(2.3deg);
  }
  62.5% {
    transform: rotate(-2.3deg);
  }
  75% {
    transform: rotate(1.5deg);
  }
  87.5% {
    transform: rotate(-1deg);
  }
  100% {
    transform: rotate(0.5deg);
  }
}
@-webkit-keyframes swing-tail {
  0% {
    transform: rotate(-2deg);
  }
  12.5% {
    transform: rotate(4deg);
  }
  25% {
    transform: rotate(-4deg);
  }
  37.5% {
    transform: rotate(6deg);
  }
  50% {
    transform: rotate(-9.2deg);
  }
  62.5% {
    transform: rotate(9.2deg);
  }
  75% {
    transform: rotate(-6deg);
  }
  87.5% {
    transform: rotate(4deg);
  }
  100% {
    transform: rotate(-2deg);
  }
}
@keyframes swing-tail {
  0% {
    transform: rotate(-2deg);
  }
  12.5% {
    transform: rotate(4deg);
  }
  25% {
    transform: rotate(-4deg);
  }
  37.5% {
    transform: rotate(6deg);
  }
  50% {
    transform: rotate(-9.2deg);
  }
  62.5% {
    transform: rotate(9.2deg);
  }
  75% {
    transform: rotate(-6deg);
  }
  87.5% {
    transform: rotate(4deg);
  }
  100% {
    transform: rotate(-2deg);
  }
}
@-webkit-keyframes reverse-swing {
  0% {
    transform: rotate(-5deg);
  }
  12.5% {
    transform: rotate(10deg);
  }
  25% {
    transform: rotate(-10deg);
  }
  37.5% {
    transform: rotate(15deg);
  }
  50% {
    transform: rotate(-23deg);
  }
  62.5% {
    transform: rotate(23deg);
  }
  75% {
    transform: rotate(-15deg);
  }
  87.5% {
    transform: rotate(10deg);
  }
  100% {
    transform: rotate(-5deg);
  }
}
@keyframes reverse-swing {
  0% {
    transform: rotate(-5deg);
  }
  12.5% {
    transform: rotate(10deg);
  }
  25% {
    transform: rotate(-10deg);
  }
  37.5% {
    transform: rotate(15deg);
  }
  50% {
    transform: rotate(-23deg);
  }
  62.5% {
    transform: rotate(23deg);
  }
  75% {
    transform: rotate(-15deg);
  }
  87.5% {
    transform: rotate(10deg);
  }
  100% {
    transform: rotate(-5deg);
  }
}
@-webkit-keyframes face {
  0% {
    transform: translateX(-2.5px);
  }
  12.5% {
    transform: translateX(5px);
  }
  25% {
    transform: translateX(-5px);
  }
  37.5% {
    transform: translateX(7.5px);
  }
  50% {
    transform: translateX(-11.5px);
  }
  62.5% {
    transform: translateX(11.5px);
  }
  75% {
    transform: translateX(-7.5px);
  }
  87.5% {
    transform: translateX(5px);
  }
  100% {
    transform: translateX(-2.5px);
  }
}
@keyframes face {
  0% {
    transform: translateX(-2.5px);
  }
  12.5% {
    transform: translateX(5px);
  }
  25% {
    transform: translateX(-5px);
  }
  37.5% {
    transform: translateX(7.5px);
  }
  50% {
    transform: translateX(-11.5px);
  }
  62.5% {
    transform: translateX(11.5px);
  }
  75% {
    transform: translateX(-7.5px);
  }
  87.5% {
    transform: translateX(5px);
  }
  100% {
    transform: translateX(-2.5px);
  }
}
@-webkit-keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@-webkit-keyframes blink {
  from, to, 10%, 25%, 80% {
    transform: scaleY(1);
  }
  8%, 23%, 78% {
    transform: scaleY(0.1);
  }
}
@keyframes blink {
  from, to, 10%, 25%, 80% {
    transform: scaleY(1);
  }
  8%, 23%, 78% {
    transform: scaleY(0.1);
  }
}
body, html {
  height: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
  background-color: #1F1F3C;
  overflow: hidden;
}

*, *:before, *:after {
  box-sizing: border-box;
  position: relative;
  -webkit-animation-timing-function: cubic-bezier(0.5, 0, 0.5, 1);
          animation-timing-function: cubic-bezier(0.5, 0, 0.5, 1);
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
}

*:before, *:after {
  content: "";
  display: block;
}