div+css实现dna螺旋loading加载动画效果代码-html代码-BFW代码库

代码语言：html

代码描述：div+css实现dna螺旋loading加载动画效果代码

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">

  
  
<style>
* {
  box-sizing: border-box;
}

html {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 100vw;
  min-height: 100vh;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90vw;
  height: 90vh;
  background: grey;
}

.items {
  display: flex;
  flex-direction: column;
  align-items: center;
  perspective: 500px;
  animation: rotate infinite linear 20s;
}

.item {
  position: relative;
  display: inline-block;
  overflow: visible;
  width: 50px;
  height: 5px;
  margin: 2px 0;
  display: flex;
  justify-content: space-between;
  animation: rotate2 infinite linear 2s, hue linear infinite 2s;
  background: linear-gradient(0deg, transparent 0%, transparent 40%, #2a6ae9 50%, transparent 60%, transparent 100%);
}
.item:before, .item:after {
  content: "";
  position: relative;
  border-radius: 50%;
  width: 5px;
  height: 5px;
  display: block;
  background: white;
  box-shadow: 0px 0px 10px 2px #2a6ae9, 0px 0px 0px 1px black;
}
.item:before {
  animation-delay: 1s;
}

.item:nth-child(n+1) {
  animation-delay: -4.87s;
}

.item:nth-child(n+2) {
  animation-delay: -4.74s;
}

.item:nth-child(n+3) {
  animation-delay: -4.61s;
}

.item:nth-child(n+4) {
  animation-delay: -4.48s;
}

.item:nth-child(n+5) {
  animation-delay: -4.35s;
}

.item:nth-child(n+6) {
  animation-delay: -4.22s;
}

.item:nth-child(n+7) {
  animation-delay: -4.09s;
}

.item:nth-child(n+8) {
  animation-delay: -3.96s;
}

.item:nth-child(n+9) {
  animation-delay: -3.83s;
}

.item:nth-child(n+10) {
  animation-delay: -3.7s;
}

.item:nth-child(n+11) {
  animation-delay: -3.57s;
}

.item:nth-child(n+12) {
  animation-delay: -3.44s;
}

.item:nth-child(n+13) {
  animation-delay: -3.31s;
}

.item:nth-child(n+14) {
  animation-delay: -3.18s;
}

.item:nth-child(n+15) {
  animation-delay: -3.05s;
}

.item:nth-child(n+16) {
  animation-delay: -2.92s;
}

.item:nth-child(n+17) {
  animation-delay: -2.79s;
}

.item:nth-child(n+18) {
  animation-delay: -2.66s;
}

.item:nth-child(n+19) {
  animation-delay: -2.53s;
}

.item:nth-child(n+20) {
  animation-delay: -2.4s;
}

.item:nth-child(n+21) {
  animation-delay: -2.27s;
}

.item:nth-child(n+22) {
  animation-delay: -2.14s;
}

.item:nth-child(n+23) {
  animation-delay: -2.01s;
}

.item:nth-child(n+24) {
  animation-delay: -1.88s;
}

.item:nth-child(n+25) {
  animation-delay: -1.75s;
}

.item:nth-child(n+26) {
  animation-delay: -1.62s;
}

.item:nth-child(n+27) {
  animation-delay: -1.49s;
}

.item:nth-child(n+28) {
  animation-delay: -1.36s;
}

.item:nth-child(n+29) {
  animation-delay: -1.23s;
}

.item:nth-child(n+30) {
  animation-delay: -1.1s;
}

.item:nth-child(n+31) {
  animation-delay: -0.97s;
}

.item:nth-child(n+32) {
  animation-delay: -0.84s;
}

.item:nth-child(n+33) {
  animation-delay: -0.71s;
}

.item:nth-child(n+34) {
  animation-delay: -0.58s;
}

.item:nth-child(n+35) {
  animation-delay: -0.45s;
}

.item:nth-child(n+36) {
  animation-delay: -0.32s;
}

.item:nth-child(n+37) {
  animation-delay: -0.19s;
}

.item:nth-child(n+38) {
  animation-delay: -0.06s;
}

.item:nth-child(n+39) {
  animation-delay: 0.07s;
}

.item:nth-child(n+40) {
  animation-delay: 0.2s;
}

.item:nth-child(n+41) {
  animation-delay: 0.33s;
}

.item:nth-child(n+42) {
  animation-delay: 0.46s;
}

.item:nth-child(n+43) {
  animation-delay: 0.59s;
}

.item:nth-child(n+44) {
  animation-delay: 0.72s;
}

.item:nth-child(n+45) {
  animation-delay: 0.85s;
}

.item:nth-child(n+46) {
  animation-delay: 0.98s;
}

.item:nth-child(n+47) {
  animation-delay: 1.11s;
}

.item:nth-child(n+48) {
  animation-delay: 1.24s;
}

.item:nth-child(n+49) {
  animation-delay: 1.37s;
}

.item:nth-child(n+50) {
  animation-delay: 1.5s;
}

.item:nth-child(n+51) {
  animation-delay: 1.63s;
}

.item:nth-child(n+52) {
  animation-delay: 1.76s;
}

.item:nth-child(n+53) {
  animation-delay: 1.89s;
}

.item:nth-child(n+54) {
  animation-delay: 2.02s;
}

.item:nth-child(n+55) {
  animation-delay: 2.15s;
}

.item:nth-child(n+56) {
  animation-delay: 2.28s;
}

.item:nth-child(n+.........完整代码请登录后点击上方下载按钮下载查看