CSS花瓣动画

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html

css

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html

css

*, *::before, *::after {
  padding: 0;
  margin: 0 auto;
  box-sizing: border-box;
}

body {
  background-color: #222;
  background-image: radial-gradient(circle at center, #222, #111 300px);
  color: #fff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 420px;
  overflow: hidden;
}

.flower {
  position: relative;
  transform-style: preserve-3d;
  -webkit-animation: rotateFlower 60s infinite linear;
          animation: rotateFlower 60s infinite linear;
}
@-webkit-keyframes rotateFlower {
  to {
    transform: rotateY(360deg);
  }
}
@keyframes rotateFlower {
  to {
    transform: rotateY(360deg);
  }
}

.leaf {
  position: absolute;
  height: 120px;
  transform-origin: top;
  transform-style: preserve-3d;
  -webkit-clip-path: polygon(0 100%, 50% 0, 100% 100%, 0 100%);
          clip-path: polygon(0 100%, 50% 0, 100% 100%, 0 100%);
  background-image: linear-gradient(#000e, #fff1);
  border-radius: 100px;
  -webkit-animation: leafOpen 12s infinite ease-in-out, ocLeafWidth 6s infinite alternate ease-in-out;
          animation: leafOpen 12s infinite ease-in-out, ocLeafWidth 6s infinite alternate ease-in-out;
}
.leaf:nth-child(0) {
  --leafAngle: 0deg;
  -webkit-animation-delay: 0s;
          animation-delay: 0s;
  background-color: #ef8f8f;
}
.leaf:nth-child(1) {
  --leafAngle: 30deg;
  -webkit-animation-delay: -0.2s;
          animation-delay: -0.2s;
  background-color: #ef998f;
}
.leaf:nth-child(2) {
  --leafAngle: 60deg;
  -webkit-animation-delay: -0.4s;
          animation-delay: -0.4s;
  background-color: #efa38f;
}
.leaf:nth-child(3) {
  --leafAngle: 90deg;
  -webkit-animation-delay: -0.6s;
          animation-delay: -0.6s;
  background-color: #efac8f;
}
.leaf:nth-child(4) {
  --leafAngle: 120deg;
  -webkit-animation-delay: -0.8s;
          animation-delay: -0.8s;
  background-color: #efb68f;
}
.leaf:nth-child(5) {
  --leafAngle: 150deg;
  -webkit-animation-delay: -1s;
          animation-delay: -1s;
  background-color: #efbf8f;
}
.leaf:nth-child(6) {
  --leafAngle: 180deg;
  -webkit-animation-delay: -1.2s;
          animation-delay: -1.2s;
  background-color: #efc98f;
}
.leaf:nth-child(7) {
  --leafAngle: 210deg;
  -webkit-animation-delay: -1.4s;
          animation-delay: -1.4s;
  background-color: #efd28f;
}
.leaf:nth-child(8) {
  --leafAngle: 240deg;
  -webkit-animation-delay: -1.6s;
          animation-delay: -1.6s;
  background-color: #efdc8f;
}
.leaf:nth-child(9) {
  --leafAngle: 270deg;
  -webkit-animation-delay: -1.8s;
          animation-delay: -1.8s;
  background-color: #efe68f;
}
.leaf:nth-child(10) {
  --leafAngle: 300deg;
  -webkit-animation-delay: -2s;
          animation-delay: -2s;
  background-color: #efef8f;
}
.leaf:nth-child(11) {
  --leafAngle: 330deg;
  -webkit-animation-delay: -2.2s;
          animation-delay: -2.2s;
  background-color: #e6ef8f;
}
.leaf:nth-child(12) {
  --leafAngle: 360deg;
  -webkit-animation-delay: -2.4s;
          animation-delay: -2.4s;
  background-color: #dcef8f;
}
.leaf:nth-child(13) {
  --leafAngle: 390deg;
  -webkit-animation-delay: -2.6s;
          animation-delay: -2.6s;
  background-color: #d2ef8f;
}
.leaf:nth-child(14) {
  --leafAngle: 420deg;
  -webkit-animation-delay: -2.8s;
          animation-delay: -2.8s;
  background-color: #c9ef8f;
}
.leaf:nth-child(15) {
  --leafAngle: 450deg;
  -webkit-animation-delay: -3s;
          animation-delay: -3s;
  background-color: #bfef8f;
}
.leaf:nth-child(16) {
  --leafAngle: 480deg;
  -webkit-animation-delay: -3.2s;
          animation-delay: -3.2s;
  background-color: #b6ef8f;
}
.leaf:nth-child(17) {
  --leafAngle: 510deg;
  -webkit-animation-delay: -3.4s;
          animation-delay: -3.4s;
  background-color: #acef8f;
}
.leaf:nth-child(18) {
  --leafAngle: 540deg;
  -webkit-animation-delay: -3.6s;
          animation-delay: -3.6s;
  background-color: #a3ef8f;
}
.leaf:nth-child(19) {
  --leafAngle: 570deg;
  -webkit-animation-delay: -3.8s;
          animation-delay: -3.8s;
  background-color: #99ef8f;
}
.leaf:nth-child(20) {
  --leafAngle: 600deg;
  -webkit-animation-delay: -4s;
          animation-delay: -4s;
  background-color: #8fef8f;
}
.leaf:nth-child(21) {
  --leafAngle: 630deg;
  -webkit-animation-delay: -4.2s;
          animation-delay: -4.2s;
  background-color: #8fef99;
}
.leaf:nth-child(22) {
  --leafAngle: 660deg;
  -webkit-animation-delay: -4.4s;
          animation-delay: -4.4s;
  background-color: #8fefa3;
}
.leaf:nth-child(23) {
  --leafAngle: 690deg;
  -webkit-animation-delay: -4.6s;
          animation-delay: -4.6s;
  background-color: #8fefac;
}
.leaf:nth-child(24) {
  --leafAngle: 720deg;
  -webkit-animation-delay: -4.8s;
          animation-delay: -4.8s;
  background-color: #8fefb6;
}
.leaf:nth-child(25) {
  --leafAngle: 750deg;
  -webkit-animation-delay: -5s;
          animation-delay: -5s;
  background-color: #8fefbf;
}
.leaf:nth-child(26) {
  --leafAngle: 780deg;
  -webkit-animation-delay: -5.2s;
          animation-delay: -5.2s;
  background-color: #8fefc9;
}
.leaf:nth-child(27) {
  --leafAngle: 810deg;
  -webkit-animation-delay: -5.4s;
          animation-delay: -5.4s;
  background-color: #8fefd2;
}
.leaf:nth-child(28) {
  --leafAngle: 840deg;
  -webkit-animation-delay: -5.6s;
          animation-delay: -5.6s;
  background-color: #8fefdc;
}
.leaf:nth-child(29) {
  --leafAngle: 870deg;
  -webkit-animation-delay: -5.8s;
          animation-delay: -5.8s;
  background-color: #8fefe6;
}
.leaf:nth-child(30) {
  --leafAngle: 900deg;
  -webkit-animation-delay: -6s;
          animation-delay: -6s;
  background-color: #8fefef;
}
.leaf:nth-child(31) {
  --leafAngle: 930deg;
  -webkit-animation-delay: -6.2s;
          animation-delay: -6.2s;
  background-color: #8fe6ef;
}
.leaf:nth-child(32) {
  --leafAngle: 960deg;
  -webkit-animation-delay: -6.4s;
          animation-delay: -6.4s;
  background-color: #8fdcef;
}
.leaf:nth-child(33) {
  --leafAngle: 990deg;
  -webkit-animation-delay: -6.6s;
          animation-delay: -6.6s;
  background-color: #8fd2ef;
}
.leaf:nth-child(34) {
  --leafAngle: 1020deg;
  -webkit-animation-delay: -6.8s;
          animation-delay: -6.8s;
  background-color: #8fc9ef;
}
.leaf:nth-child(35) {
  --leafAngle: 1050deg;
  -webkit-animation-delay: -7s;
          animation-delay: -7s;
  background-color: #8fbfef;
}
.leaf:nth-child(36) {
  --leafAngle: 1080deg;
  -webkit-animation-delay: -7.2s;
          animation-delay: -7.2s;
  background-color: #8fb6ef;
}
.leaf:nth-child(37) {
  --leafAngle: 1110deg;
  -webkit-animation-delay: -7.4s;
          animation-delay: -7.4s;
  background-color: #8facef;
}
.leaf:nth-child(38) {
  --leafAngle: 1140deg;
  -webkit-animation-delay: -7.6s;
          animation-delay: -7.6s;
  background-color: #8fa3ef;
}
.leaf:nth-child(39) {
  --leafAngle: 1170deg;
  -webkit-animation-delay: -7.8s;
          animation-delay: -7.8s;
  background-color: #8f99ef;
}
.leaf:nth-child(40) {
  --leafAngle: 1200deg;
  -webkit-animation-delay: -8s;
          animation-delay: -8s;
  background-color: #8f8fef;
}
.leaf:nth-child(41) {
  --leafAngle: 1230deg;
  -webkit-animation-delay: -8.2s;
          animation-delay: -8.2s;
  background-color: #998fef;
}
.leaf:nth-child(42) {
  --leafAngle: 1260deg;
  -webkit-animation-delay: -8.4s;
          animation-delay: -8.4s;
  background-color: #a38fef;
}
.leaf:nth-child(43) {
  --leafAngle: 1290deg;
  -webkit-animation-delay: -8.6s;
          animation-delay: -8.6s;
  background-color: #ac8fef;
}
.leaf:nth-child(44) {
  --leafAngle: 1320deg;
  -webkit-animation-delay: -8.8s;
          animation-delay: -8.8s;
  background-color: #b68fef;
}
.leaf:nth-child(45) {
  --leafAngle: 1350deg;
  -webkit-animation-delay: -9s;
          animation-delay: -9s;
  background-color: #bf8fef;
}
.leaf:nth-child(46) {
  --leafAngle: 1380deg;
  -webkit-animation-delay: -9.2s;
          animation-delay: -9.2s;
  background-color: #c98fef;
}
.leaf:nth-child(47) {
  --leafAngle: 1410deg;
  -webkit-animation-delay: -9.4s;
          animation-delay: -9.4s;
  background-color: #d28fef;
}
.leaf:nth-child(48) {
  --leafAngle: 1440deg;
  -webkit-animation-delay: -9.6s;
          animation-delay: -9.6s;
  background-color: #dc8fef;
}
.leaf:nth-child(49) {
  --leafAngle: 1470deg;
  -webkit-animation-delay: -9.8s;
          animation-delay: -9.8s;
  background-color: #e68fef;
}
.leaf:nth-child(50) {
  --leafAngle: 1500deg;
  -webkit-animation-delay: -10s;
          animation-delay: -10s;
  background-color: #ef8fef;
}
.leaf:nth-child(51) {
  --leafAngle: 1530deg;
  -webkit-animation-delay: -10.2s;
          animation-delay: -10.2s;
  background-color: #ef8fe6;
}
.leaf:nth-child(52) {
  --leafAngle: 1560deg;
  -webkit-animation-delay: -10.4s;
          animation-delay: -10.4s;
  background-color: #ef8fdc;
}
.leaf:nth-child(53) {
  --leafAngle: 1590deg;
  -webkit-animation-delay: -10.6s;
          animation-delay: -10.6s;
  background-color: #ef8fd2;
}
.leaf:nth-child(54) {
  --leafAngle: 1620deg;
  -webkit-animation-delay: -10.8s;
          animation-delay: -10.8s;
  background-color: #ef8fc9;
}
.leaf:nth-child(55) {
  --leafAngle: 1650deg;
  -webkit-animation-delay: -11s;
          animation-delay: -11s;
  background-color: #ef8fbf;
}
.leaf:nth-child(56) {
  --leafAngle: 1680deg;
  -webkit-animation-delay: -11.2s;
          animation-delay: -11.2s;
  background-color: #ef8fb6;
}
.leaf:nth-child(57) {
  --leafAngle: 1710deg;
  -webkit-animation-delay: -11.4s;
          animation-delay: -11.4s;
  background-color: #ef8fac;
}
.leaf:nth-child(58) {
  --leafAngle: 1740deg;
  -webkit-animation-delay: -11.6s;
          animation-delay: -11.6s;
  background-color: #ef8fa3;
}
.leaf:nth-child(59) {
  --leafAngle: 1770deg;
  -webkit-animation-delay: -11.8s;
          animation-delay: -11.8s;
  background-color: #ef8f99;
}
.leaf:nth-child(60) {
  --leafAngle: 1800deg;
  -webkit-animation-delay: -12s;
          animation-delay: -12s;
  background-color: #ef8f8f;
}
@-webkit-keyframes leafOpen {
  from {
    transform: translateZ(-30px) rotate(var(--leafAngle)) rotateX(-90deg) rotateY(-15deg);
  }
  to {
    transform: translateZ(30px) rotate(var(--leafAngle)) rotateX(90deg) rotateY(45deg);
  }
}
@keyframes leafOpen {
  from {
    transform: translateZ(-30px) rotate(var(--leafAngle)) rotateX(-90deg) rotateY(-15deg);
  }
  to {
    transform: translateZ(30px) rotate(var(--leafAngle)) rotateX(90deg) rotateY(45deg);
  }
}
@-webkit-keyframes ocLeafWidth {
  from {
    width: 0;
  }
  to {
    width: 60px;
  }
}
@keyframes ocLeafWidth {
  from {
    width: 0;
  }
  to {
    width: 60px;
  }
}

JavaScript

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