css实现数据螺旋线三维扭转动画效果代码

代码语言:html

所属分类:动画

代码描述:css实现数据螺旋线三维扭转动画效果代码

代码标签: 螺旋线 三维 扭转 动画 效果

下面为部分代码预览,完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en" >

<head>

  <meta charset="UTF-8">

  <link href="https://fonts.googleapis.com/css?family=VT323" rel="stylesheet">
  
  
  
<style>
body {
  overflow: hidden;
  height: 100vh;
  perspective: 40em;
  background: radial-gradient(closest-side, rgba(0, 0, 0, 0.7), #000), url("https://pbs.twimg.com/media/CsjHEVFW8AA7uDs.jpg") 50% no-repeat #000;
  background-blend-mode: luminosity;
  color: lime;
  font: 1.5em/2 vt323, monospace;
}

div {
  position: absolute;
}

.helix {
  top: 50%;
  left: 50%;
  transform-style: preserve-3d;
}

.col {
  transform-style: preserve-3d;
  animation: rx 10s linear infinite;
}
.col:nth-child(1) {
  left: -30em;
  animation-delay: 0s;
}
.col:nth-child(1) :nth-child(1):before {
  animation-delay: -2s;
}
.col:nth-child(1) :nth-child(2):before {
  animation-delay: -1.4s;
}
.col:nth-child(1) :nth-child(3):before {
  animation-delay: -1.2s;
}
.col:nth-child(1) :nth-child(4):before {
  animation-delay: -1s;
}
.col:nth-child(1) :nth-child(5):before {
  animation-delay: -2s;
}
.col:nth-child(1) :nth-child(6):before {
  animation-delay: -1s;
}
.col:nth-child(1) :nth-child(7):before {
  animation-delay: -1.8s;
}
.col:nth-child(1) :nth-child(8):before {
  animation-delay: -1.8s;
}
.col:nth-child(2) {
  left: -28.5em;
  animation-delay: -0.25s;
}
.col:nth-child(2) :nth-child(1):before {
  animation-delay: -1.2s;
}
.col:nth-child(2) :nth-child(2):before {
  animation-delay: -0.6s;
}
.col:nth-child(2) :nth-child(3):before {
  animation-delay: -1s;
}
.col:nth-child(2) :nth-child(4):before {
  animation-delay: -0.4s;
}
.col:nth-child(2) :nth-child(5):before {
  animation-delay: -1.8s;
}
.col:nth-child(2) :nth-child(6):before {
  animation-delay: -1.8s;
}
.col:nth-child(2) :nth-child(7):before {
  animation-delay: -2s;
}
.col:nth-child(2) :nth-child(8):before {
  animation-delay: -0.4s;
}
.col:nth-child(3) {
  left: -27em;
  animation-delay: -0.5s;
}
.col:nth-child(3) :nth-child(1):before {
  animation-delay: -0.4s;
}
.col:nth-child(3) :nth-child(2):before {
  animation-delay: -0.2s;
}
.col:nth-child(3) :nth-child(3):before {
  animation-delay: -0.2s;
}
.col:nth-child(3) :nth-child(4):before {
  animation-delay: -0.8s;
}
.col:nth-child(3) :nth-child(5):before {
  animation-delay: -1.8s;
}
.col:nth-child(3) :nth-child(6):before {
  animation-delay: -0.4s;
}
.col:nth-child(3) :nth-child(7):before {
  animation-delay: -0.2s;
}
.col:nth-child(3) :nth-child(8):before {
  animation-delay: -0.2s;
}
.col:nth-child(4) {
  left: -25.5em;
  animation-delay: -0.75s;
}
.col:nth-child(4) :nth-child(1):before {
  animation-delay: -1.4s;
}
.col:nth-child(4) :nth-child(2):before {
  animation-delay: -1.4s;
}
.col:nth-child(4) :nth-child(3):before {
  animation-delay: -1.8s;
}
.col:nth-child(4) :nth-child(4):before {
  animation-delay: -1.6s;
}
.col:nth-child(4) :nth-child(5):before {
  animation-delay: -0.8s;
}
.col:nth-child(4) :nth-child(6):before {
  animation-delay: -1s;
}
.col:nth-child(4) :nth-child(7):before {
  animation-delay: -0.4s;
}
.col:nth-child(4) :nth-child(8):before {
  animation-delay: -1s;
}
.col:nth-child(5) {
  left: -24em;
  animation-delay: -1s;
}
.col:nth-child(5) :nth-child(1):before {
  animation-delay: -1s;
}
.col:nth-child(5) :nth-child(2):before {
  animation-delay: -0.8s;
}
.col:nth-child(5) :nth-child(3):before {
  animation-delay: -1.8s;
}
.col:nth-child(5) :nth-child(4):before {
  animation-delay: -1.2s;
}
.col:nth-child(5) :nth-child(5):before {
  animation-delay: -1.2s;
}
.col:nth-child(5) :nth-child(6):before {
  animation-delay: -0.4s;
}
.col:nth-child(5) :nth-child(7):before {
  animation-delay: -0.2s;
}
.col:nth-child(5) :nth-child(8):before {
  animation-delay: -0.2s;
}
.col:nth-child(6) {
  left: -22.5em;
  animation-delay: -1.25s;
}
.col:nth-child(6) :nth-child(1):before {
  animation-delay: -1.8s;
}
.col:nth-child(6) :nth-child(2):before {
  animation-delay: -0.6s;
}
.col:nth-child(6) :nth-child(3):before {
  animation-delay: -0.8s;
}
.col:nth-child(6) :nth-child(4):before {
  animation-delay: -0.8s;
}
.col:nth-child(6) :nth-child(5):before {
  animation-delay: -0.2s;
}
.col:nth-child(6) :nth-child(6):before {
  animation-delay: -0.2s;
}
.col:nth-child(6) :nth-child(7):before {
  animation-delay: -1s;
}
.col:nth-child(6) :nth-child(8):before {
  animation-delay: -1.2s;
}
.col:nth-child(7) {
  left: -21em;
  animation-delay: -1.5s;
}
.col:nth-child(7) :nth-child(1):before {
  animation-delay: -1.8s;
}
.col:nth-child(7) :nth-child(2):before {
  animation-delay: -1.4s;
}
.col:nth-child(7) :nth-child(3):before {
  animation-delay: -1.8s;
}
.col:nth-child(7) :nth-child(4):before {
  animation-delay: -1.2s;
}
.col:nth-child(7) :nth-child(5):before {
  animation-delay: -0.8s;
}
.col:nth-child(7) :nth-child(6):before {
  animation-delay: -1.6s;
}
.col:nth-child(7) :nth-child(7):before {
  animation-delay: -1.2s;
}
.col:nth-child(7) :nth-child(8):before {
  animation-delay: -1.6s;
}
.col:nth-child(8) {
  left: -19.5em;
  animation-delay: -1.75s;
}
.col:nth-child(8) :nth-child(1):before {
  animation-delay: -1.8s;
}
.col:nth-child(8) :nth-child(2):before {
  animation-delay: -0.4s;
}
.col:nth-child(8) :nth-child(3):before {
  animation-delay: -0.4s;
}
.col:nth-child(8) :nth-child(4):before {
  animation-delay: -0.8s;
}
.col:nth-child(8) :nth-child(5):before {
  animation-delay: -0.4s;
}
.col:nth-child(8) :nth-child(6):before {
  animation-delay: -0.8s;
}
.col:nth-child(8) :nth-child(7):before {
  animation-delay: -1.6s;
}
.col:nth-child(8) :nth-child(8):before {
  animation-delay: -0.2s;
}
.col:nth-child(9) {
  left: -18em;
  animation-delay: -2s;
}
.col:nth-child(9) :nth-child(1):before {
  animation-delay: -0.6s;
}
.col:nth-child(9) :nth-child(2):before {
  animation-delay: -0.8s;
}
.col:nth-child(9) :nth-child(3):before {
  animation-delay: -0.2s;
}
.col:nth-child(9) :nth-child(4):before {
  animation-delay: -1s;
}
.col:nth-child(9) :nth-child(5):before {
  animation-delay: -0.6s;
}
.col:nth-child(9) :nth-child(6):before {
  animation-delay: -2s;
}
.col:nth-child(9) :nth-child(7):before {
  animation-delay: -1.6s;
}
.col:nth-child(9) :nth-child(8):before {
  animation-delay: -1.4s;
}
.col:nth-child(10) {
  left: -16.5em;
  animation-delay: -2.25s;
}
.col:nth-child(10) :nth-child(1):before {
  animation-delay: -1.8s;
}
.col:nth-child(10) :nth-child(2):before {
  animation-delay: -0.8s;
}
.col:nth-child(10) :nth-child(3):before {
  animation-delay: -0.8s;
}
.col:nth-child(10) :nth-child(4):before {
  animation-delay: -0.6s;
}
.col:nth-child(10) :nth-child(5):before {
  animation-delay: -0.2s;
}
.col:nth-child(10) :nth-child(6):before {
  animation-delay: -0.8s;
}
.col:nth-child(10) :nth-child(7):before {
  animation-delay: -1s;
}
.col:nth-child(10) :nth-child(8):before {
  animation-delay: -2s;
}
.col:nth-child(11) {
  left: -15em;
  animation-delay: -2.5s;
}
.col:nth-child(11) :nth-child(1):before {
  animation-delay: -0.4s;
}
.col:nth-child(11) :nth-child(2):before {
  animation-delay: -1.6s;
}
.col:nth-child(11) :nth-child(3):before {
  animation-delay: -0.8s;
}
.col:nth-child(11) :nth-child(4):before {
  animation-delay: -1.4s;
}
.col:nth-child(11) :nth-child(5):before {
  animation-delay: -1.8s;
}
.col:nth-child(11) :nth-child(6):before {
  animation-delay: -1.6s;
}
.col:nth-child(11) :nth-child(7):before {
  animation-delay: -0.2s;
}
.col:nth-child(11) :nth-child(8):before {
  animation-delay: -2s;
}
.col:nth-child(12) {
  left: -13.5em;
  animation-delay: -2.75s;
}
.col:nth-child(12) :nth-child(1):before {
  animation-delay: -1.2s;
}
.col:nth-child(12) :nth-child(2):before {
  animation-delay: -0.4s;
}
.col:nth-child(12) :nth-child(3):before {
  animation-delay: -1.2s;
}
.col:nth-child(12) :nth-child(4):before {
  animation-delay: -1.8s;
}
.col:nth-child(12) :nth-child(5):before {
  animation-delay: -2s;
}
.col:nth-child(12) :nth-child(6):before {
  animation-delay: -0.6s;
}
.col:nth-child(12) :nth-child(7):before {
  animation-delay: -1.8s;
}
.col:nth-child(12) :nth-child(8):before {
  animation-delay: -0.4s;
}
.col:nth-child(13) {
  left: -12em;
  animation-delay: -3s;
}
.col:nth-child(13) :nth-child(1):before {
  animation-delay: -2s;
}
.col:nth-child(13) :nth-child(2):before {
  animation-delay: -0.2s;
}
.col:nth-child(13) :nth-child(3):before {
  animation-delay: -0.6s;
}
.col:nth-child(13) :nth-child(4):before {
  animation-delay: -1.8s;
}
.col:nth-child(13) :nth-child(5):before {
  animation-delay: -0.4s;
}
.col:nth-child(13) :nth-child(6):before {
  animation-delay: -1.4s;
}
.col:nth-child(13) :nth-child(7):before {
  animation-delay: -0.8s;
}
.col:nth-child(13) :nth-child(8):before {
  animation-delay: -0.4s;
}
.col:nth-child(14) {
  left: -10.5em;
  animation-delay: -3.25s;
}
.col:nth-child(14) :nth-child(1):before {
  animation-delay: -1.8s;
}
.col:nth-child(14) :nth-child(2):before {
  animation-delay: -0.2s;
}
.col:nth-child(14) :nth-child(3):before {
  animation-delay: -1s;
}
.col:nth-child(14) :nth-child(4):before {
  animation-delay: -0.8s;
}
.col:nth-child(14) :nth-child(5):before {
  animation-delay: -1.8s;
}
.col:nth-child(14) :nth-child(6):before {
  animation-delay: -0.2s;
}
.col:nth-child(14) :nth-child(7):before {
  animation-delay: -0.4s;
}
.col:nth-child(14) :nth-child(8):before {
  animation-delay: -1.8s;
}
.col:nth-child(15) {
  left: -9em;
  animation-delay: -3.5s;
}
.col:nth-child(15) :nth-child(1):before {
  animation-delay: -0.4s;
}
.col:nth-child(15) :nth-child(2):before {
  animation-delay: -0.2s;
}
.col:nth-child(15) :nth-child(3):before {
  animation-delay: -0.2s;
}
.col:nth-child(15) :nth-child(4):before {
  animation-delay: -1s;
}
.col:nth-child(15) :nth-child(5):before {
  animation-delay: -0.2s;
}
.col:nth-child(15) :nth-child(6):before {
  animation-delay: -0.4s;
}
.col:nth-child(15) :nth-child(7):before {
  animation-delay: -0.6s;
}
.col:nth-child(15) :nth-child(8):before {
  animation-delay: -1.8s;
}
.col:nth-child(16) {
  left: -7.5em;
  animation-delay: -3.75s;
}
.col:nth-child(16) :nth-child(1):before {
  animation-delay: -0.8s;
}
.col:nth-child(16) :nth-child(2):before {
  animation-delay: -1.2s;
}
.col:nth-child(16) :nth-child(3):before {
  animation-delay: -1.4s;
}
.col:nth-child(16) :nth-child(4):before {
  animation-delay: -0.6s;
}
.col:nth-child(16) :nth-child(5):before {
  animation-delay: -0.2s;
}
.col:nth-child(16) :nth-child(6):before {
  animation-delay: -1.6s;
}
.col:nth-child(16) :nth-child(7):before {
  animation-delay: -1.4s;
}
.col:nth-child(16) :nth-child(8):before {
  animation-delay: -1.4s;
}
.col:nth-child(17) {
  left: -6em;
  animation-delay: -4s;
}
.col:nth-child(17) :nth-child(1):before {
  animation-delay: -1.2s;
}
.col:nth-child(17) :nth-child(2):before {
  animation-delay: -1s;
}
.col:nth-child(17) :nth-child(3):before {
  animation-delay: -1.2s;
}
.col:nth-child(17) :nth-child(4):before {
  animation-delay: -0.8s;
}
.col:nth-child(17) :nth-child(5):before {
  animation-delay: -0.6s;
}
.col:nth-child(17) :nth-child(6):before {
  animation-delay: -1.2s;
}
.col:nth-child(17) :nth-child(7):before {
  animation-delay: -1.6s;
}
.col:nth-child(17) :nth-child(8):before {
  animation-delay: -1.6s;
}
.col:nth-child(18) {
  left: -4.5em;
  animation-delay: -4.25s;
}
.col:nth-child(18) :nth-child(1):before {
  animation-delay: -1.6s;
}
.col:nth-child(18) :nth-child(2):before {
  animation-delay: -1s;
}
.col:nth-child(18) :nth-child(3):before {
  animation-delay: -2s;
}
.col:nth-child(18) :nth-child(4):before {
  animation-delay: -2s;
}
.col:nth-child(18) :nth-child(5):before {
  animation-delay: -0.8s;
}
.col:nth-child(18) :nth-child(6):before {
  animation-delay: -1.4s;
}
.col:nth-child(18) :nth-child(7):before {
  animation-delay: -0.8s;
}
.col:nth-child(18) :nth-child(8):before {
  animation-delay: -1.6s;
}
.col:nth-child(19) {
  left: -3em;
  animation-delay: -4.5s;
}
.col:nth-child(19) :nth-child(1):before {
  animation-delay: -1s;
}
.col:nth-child(19) :nth-child(2):before {
  animation-delay: -0.4s;
}
.col:nth-child(19) :nth-child(3):before {
  animation-delay: -1.2s;
}
.col:nth-child(19) :nth-child(4):before {
  animation-delay: -1.6s;
}
.col:nth-child(19) :nth-child(5):before {
  animation-delay: -2s;
}
.col:nth-child(19) :nth-child(6):before {
  animation-delay: -1.4s;
}
.col:nth-child(19) :nth-child(7):before {
  animation-delay: -1.2s;
}
.col:nth-child(19) :nth-child(8):before {
  animation-delay: -0.8s;
}
.col:nth-child(20) {
  left: -1.5em;
  animation-delay: -4.75s;
}
.col:nth-child(20) :nth-child(1):before {
  animation-delay: -0.8s;
}
.col:nth-child(20) :nth-child(2):before {
  animation-delay: -1.4s;
}
.col:nth-child(20) :nth-child(3):before {
  animation-delay: -1.4s;
}
.col:nth-child(20) :nth-child(4):before {
  animation-delay: -1.6s;
}
.col:nth-child(20) :nth-child(5):before {
  animation-delay: -0.6s;
}
.col:nth-child(20) :nth-child(6):before {
  animation-delay: -1s;
}
.col:nth-child(20) :nth-child(7):before {
  animation-delay: -2s;
}
.col:nth-child(20) :nth-child(8):before {
  animation-delay: -0.2s;
}
.col:nth-child(21) {
  left: 0em;
  animation-delay: -5s;
}
.col:nth-child(21) :nth-child(1):before {
  animation-delay: -1.4s;
}
.col:nth-child(21) :nth-child(2):before {
  animation-delay: -1.4s;
}
.col:nth-child(21) :nth-child(3):before {
  animation-delay: -1.2s;
}
.col:nth-child(21) :nth-child(4):before {
  animation-delay: -0.4s;
}
.col:nth-child(21) :nth-child(5):before {
  animation-delay: -2s;
}
.col:nth-child(21) :nth-child(6):before {
  animation-delay: -0.8s;
}
.col:nth-child(21) :nth-child(7):before {
  animation-delay: -0.6s;
}
.col:nth-child(21) :nth-child(8):before {
  animation-delay: -1s;
}
.col:nth-child(22) {
  left: 1.5em;
  animation-delay: -5.25s;
}
.col:nth-child(22) :nth-child(1):before {
  animation-delay: -1.2s;
}
.col:nth-child(22) :nth-child(2):before {
  animation-delay: -0.6s;
}
.col:nth-child(22) :nth-child(3):before {
  animation-delay: -0.8s;
}
.col:nth-child(22) :nth-child(4):before {
  animation-delay: -0.6s;
}
.col:nth-child(22) :nth-child(5):before {
  animation-delay: -2s;
}
.col:nth-child(22) :nth-child(6):before {
  animation-delay: -1s;
}
.col:nth-child(22) :nth-child(7):before {
  animation-delay: -1.8s;
}
.col:nth-child(22) :nth-child(8):before {
  animation-delay: -1.6s;
}
.col:nth-child(23) {
  left: 3em;
  animation-delay: -5.5s;
}
.col:nth-child(23) :nth-child(1):before {
  animation-delay: -1.4s;
}
.col:nth-child(23) :nth-child(2):before {
  animation-delay: -2s;
}
.col:nth-child(23) :nth-child(3):before {
  animation-delay: -1.2s;
}
.col:nth-child(23) :nth-child(4):before {
  animation-delay: -1s;
}
.col:nth-child(23) :nth-child(5):before {
  animation-delay: -0.8s;
}
.col:nth-child(23) :nth-child(6):before {
  animation-delay: -0.6s;
}
.col:nth-child(23) :nth-child(7):before {
  animation-delay: -1.6s;
}
.col:nth-child(23) :nth-child(8):before {
  animation-delay: -0.6s;
}
.col:nth-child(24) {
  left: 4.5em;
  animation-delay: -5.75s;
}
.col:nth-child(24) :nth-child(1):before {
  animation-delay: -1s;
}
.col:nth-child(24) :nth-child(2):before {
  animation-delay: -0.6s;
}
.col:nth-child(24) :nth-child(3):before {
  animation-delay: -1s;
}
.col:nth-child(24) :nth-child(4):before {
  animation-delay: -1.2s;
}
.col:nth-child(24) :nth-child(5):before {
  animation-delay: -0.4s;
}
.col:nth-child(24) :nth-child(6):before {
  animation-delay: -0.8s;
}
.col:nth-child(24) :nth-child(7):before {
  animation-delay: -0.8s;
}
.col:nth-child(24) :nth-child(8):before {
  animation-delay: -1.4s;
}
.col:nth-child(25) {
  left: 6em;
  animation-delay: -6s;
}
.col:nth-child(25) :nth-child(1):before {
  animation-delay: -0.4s;
}
.col:nth-child(25) :nth-child(2):before {
  animation-delay: -1.4s;
}
.col:nth-child(25) :nth-child(3):before {
  animation-delay: -0.2s;
}
.col:nth-child(25) :nth-child(4):before {
  animation-delay: -1.2s;
}
.col:nth-child(25) :nth-child(5):before {
  animation-delay: -1.2s;
}
.col:nth-child(25) :nth-child(6):before {
  animation-delay: -0.4s;
}
.col:nth-child(25) :nth-child(7):before {
  animation-delay: -1.2s;
}
.col:nth-child(25) :nth-child(8):before {
  animation-delay: -0.8s;
}
.col:nth-child(26) {
  left: 7.5em;
  animation-delay: -6.25s;
}
.col:nth-child(26) :nth-child(1):before {
  animation-delay: -1.4s;
}
.col:nth-child(26) :nth-child(2):before {
  animation-delay: -2s;
}
.col:nth-child(26) :nth-child(3):before {
  animation-delay: -1s;
}
.col:nth-child(26) :nth-child(4):before {
  animation-delay: -2s;
}
.col:nth-child(26) :nth-child(5):before {
  animation-delay: -2s;
}
.col:nth-child(26) :nth-child(6):before {
  animation-delay: -2s;
}
.col:nth-child(26) :nth-child(7):before {
  animation-delay: -1.4s;
}
.col:nth-child(26) :nth-child(8):before {
  animation-delay: -0.6s;
}
.col:nth-child(27) {
  left: 9em;
  animation-delay: -6.5s;
}
.col:nth-child(27) :nth-child(1):before {
  animation-delay: -0.2s;
}
.col:nth-child(27) :nth-child(2):before {
  animation-delay: -1.6s;
}
.col:nth-child(27) :nth-child(3):before {
  animation-delay: -2s;
}
.col:nth-child(27) :nth-child(4):before {
  animation-delay: -0.6s;
}
.col:nth-child(27) :nth-child(5):before {
  animation-delay: -0.2s;
}
.col:nth-child(27) :nth-child(6):before {
  animation-delay: -0.6s;
}
.col:nth-child(27) :nth-child(7):before {
  animation-delay: -0.4s;
}
.col:nth-child(27) :nth-child(8):before {
  animation-delay: -1.4s;
}
.col:nth-child(28) {
  left: 10.5em;
  animation-delay: -6.75s;
}
.col:nth-child(28) :nth-child(1):before {
  animation-delay: -1.2s;
}
.col:nth-child(28) :nth-child(2):before {
  animation-delay: -1.8s;
}
.col:nth-child(28) :nth-child(3):before {
  animation-delay: -0.8s;
}
.col:nth-child(28) :nth-child(4):before {
  animation-delay: -0.2s;
}
.col:nth-child(28) :nth-child(5):before {
  animation-delay: -2s;
}
.col:nth-child(28) :nth-child(6):before {
  animation-delay: -1.4s;
}
.col:nth-child(28) :nth-child(7):before {
  animation-delay: -1.4s;
}
.col:nth-child(28) :nth-child(8):before {
  animation-delay: -2s;
}
.col:nth-child(29) {
  left: 12em;
  animation-delay: -7s;
}
.col:nth-child(29) :nth-child(1):before {
  animation-delay: -1.4s;
}
.col:nth-child(29) :nth-child(2):before {
  animation-delay: -1.2s;
}
.col:nth-child(29) :nth-child(3):before {
  animation-delay: -0.2s;
}
.col:nth-child(29) :nth-child(4):before {
  animation-delay: -0.2s;
}
.col:nth-child(29) :nth-child(5):before {
  animation-delay: -0.6s;
}
.col:nth-child(29) :nth-child(6):before {
  animation-delay: -2s;
}
.col:nth-child(29) :nth-child(7):before {
  animation-delay: -0.4s;
}
.col:nth-child(29) :nth-child(8):before {
  animation-delay: -0.4s;
}
.col:nth-child(30) {
  left: 13.5em;
  animation-delay: -7.25s;
}
.col:nth-child(30) :nth-child(1):before {
  animation-delay: -0.6s;
}
.col:nth-child(30) :nth-child(2):before {
  animation-delay: -0.8s;
}
.col:nth-child(30) :nth-child(3):before {
  animation-delay: -2s;
}
.col:nth-child(30) :nth-child(4):before {
  animation-delay: -1.2s;
}
.col:nth-child(30) :nth-child(5):before {
  animation-delay: -1.6s;
}
.col:nth-child(30) :nth-child(6):before {
  animation-delay: -1.6s;
}
.col:nth-child(30) :nth-child(7):before {
  animation-delay: -1.8s;
}
.col:nth-child(30) :nth-child(8):before {
  animation-delay: -0.8s;
}
.col:nth-child(31) {
  left: 15em;
  animation-delay: -7.5s;
}
.col:nth-child(31) :nth-child(1):before {
  animation-delay: -1.4s;
}
.col:nth-child(31) :nth-child(2):before {
  animation-delay: -2s;
}
.col:nth-child(31) :nth-child(3):before {
  animation-delay: -1.4s;
}
.col:nth-child(31) :nth-child(4):before {
  animation-delay: -1.4s;
}
.col:nth-child(31) :nth-child(5):before {
  animation-delay: -0.4s;
}
.col:nth-child(31) :nth-child(6):before {
  animation-delay: -1s;
}
.col:nth-child(31) :nth-child(7):before {
  animation-delay: -1s;
}
.col:nth-child(31) :nth-child(8):before {
  animation-delay: -0.6s;
}
.col:nth-child(32) {
  left: 16.5em;
  animation-delay: -7.75s;
}
.col:nth-child(32) :nth-child(1):before {
  animation-delay: -0.2s;
}
.col:nth-child(32) :nth-child(2):before {
  animation-delay: -0.2s;
}
.col:nth-child(32) :nth-child(3):before {
  animation-delay: -1.2s;
}
.col:nth-child(32) :nth-child(4):before {
  animation-delay: -1.6s;
}
.col:nth-child(32) :nth-child(5):before {
  animation-delay: -0.8s;
}
.col:nth-child(32) :nth-child(6):before {
  animation-delay: -0.4s;
}
.col:nth-child(32) :nth-child(7):before {
  animation-delay: -1.4s;
}
.col:nth-child(32) :nth-child(8):before {
  animation-delay: -0.6s;
}
.col:nth-child(33) {
  left: 18em;
  animation-delay: -8s;
}
.col:nth-child(33) :nth-child(1):before {
  animation-delay: -1.2s;
}
.col:nth-child(33) :nth-child(2):before {
  animation-delay: -0.8s;
}
.col:nth-child(33) :nth-child(3):before {
  animation-delay: -0.2s;
}
.col:nth-child(33) :nth-child(4):before {
  animation-delay: -0.8s;
}
.col:nth-child(33) :nth-child(5):before {
  animation-delay: -0.2s;
}
.col:nth-child(33) :nth-child(6):before {
  animation-delay: -0.2s;
}
.col:nth-child(33) :nth-child(7):before {
  animation-delay: -0.2s;
}
.col:nth-child(33) :nth-child(8):before {
  animation-delay: -0.4s;
}
.col:nth-child(34) {
  left: 19.5em;
  animation-delay: -8.25s;
}
.col:nth-child(34) :nth-child(1):before {
  animation-delay: -1s;
}
.col:nth-child(34) :nth-child(2):before {
  animation-delay: -0.2s;
}
.col:nth-child(34) :nth-child(3):before {
  animation-delay: -1.6s;
}
.col:nth-child(34) :nth-child(4):before {
  animation-delay: -0.4s;
}
.col:nth-child(34) :nth-child(5):before {
  animation-delay: -1.4s;
}
.col:nth-child(34) :nth-child(6):before {
  animation-delay: -0.4s;
}
.col:nth-child(34) :nth-child(7):before {
  animation-delay: -0.2s;
}
.col:nth-child(34) :nth-child(8):before {
  animation-delay: -0.4s;
}
.col:nth-child(35) {
  left: 21em;
  animation-delay: -8.5s;
}
.col:nth-child(35) :nth-child(1):before {
  animation-delay: -0.6s;
}
.col:nth-child(35) :nth-child(2):before {
  animation-delay: -1.4s;
}
.col:nth-child(35) :nth-child(3):before {
  animation-delay: -0.6s;
}
.col:nth-child(35.........完整代码请登录后点击上方下载按钮下载查看

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