css实现点线跳动loading加载动画效果代码-html代码-BFW代码库

css实现点线跳动loading加载动画效果代码

代码语言：html

代码描述：css实现点线跳动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">

  <meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover">
  
  
  
<style>
* {
  border: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #e3e4e8;
  --fg: #17181c;
  --c1: #f42f25;
  --c2: #f49725;
  --c3: #255ff4;
  --c4: #9725f4;
  font-size: calc(16px + (24 - 16) * (100vw - 320px) / (1280 - 320));
}

body {
  background: var(--bg);
  color: var(--fg);
  display: flex;
  flex-wrap: wrap;
  font: 1em/1.5 sans-serif;
  justify-content: center;
  align-items: center;
  align-content: center;
  height: 100vh;
}

.pl1, .pl2 {
  justify-content: space-around;
}
.pl1__a, .pl1__b, .pl1__c, .pl2__a, .pl2__b, .pl2__c {
  border-radius: 50%;
  width: 1em;
  height: 1em;
  transform-origin: 50% 100%;
}

.pl1__a, .pl1__b, .pl1__c {
  animation: bounce1 1s linear infinite;
}

.pl2__a, .pl2__b, .pl2__c {
  animation: bounce2 2s linear infinite;
}

.pl3, .pl4 {
  justify-content: space-between;
}
.pl3__a, .pl3__b, .pl3__c, .pl3__d, .pl4__a, .pl4__b, .pl4__c, .pl4__d {
  width: 0.75em;
  height: 0.75em;
}

.pl3__a, .pl3__b, .pl3__c, .pl3__d {
  animation: bounce3 2s ease-in-out infinite;
  transform-origin: 50% 0;
}

.pl4 {
  align-items: flex-end;
}
.pl4__a, .pl4__b, .pl4__c, .pl4__d {
  animation: bounce4 2s linear infinite;
  transform-origin: 50% 100%;
}

.pl1, .pl2, .pl3, .pl4 {
  display: flex;
  margin: 1.5em;
  width: 6em;
  height: 6em;
}
.pl1__a, .pl2__a, .pl3__a, .pl4__a {
  background: var(--c1);
}
.pl1__b, .pl2__b, .pl3__b, .pl4__b {
  background: var(--c2);
  animation-delay: 0.1s;
}
.pl1__c, .pl2__c, .pl3__c, .pl4__c {
  background: var(--c3);
  animation-delay: 0.2s;
}

.pl3__d, .pl4__d {
  background: var(--c4);
  animation-delay: 0.3s;
}

/* Animations */
@keyframes bounce1 {
  from, to {
    transform: translateY(0) scale(1, 1);
    animation-timing-function: ease-in;
  }
  45% {
    transform: translateY(5em) scale(1, 1);
    animation-timing-function: linear;
  }
  50% {
    transform: translateY(5em) scale(1.5, 0.5);
    animation-timing-function: linear;
  }
  55% {
    transform: translateY(5em) scale(1, 1);
    animation-timing-function: ease-out;
  }
}
@keyframes bounce2 {
  from, to {
    transform: translateY(0) scale(1, 1);
    animation-timing-function: ease-in;
  }
  9%, 29%, 49%, 69% {
    transform: translateY(5em) scale(1, 1);
    animation-timing-function: linear;
  }
  10% {
    transform: translateY(5em) scale(1.5, 0.5);
    animation-timing-function: linear;
  }
  11%, 31%, 51%, 71%, 91% {
    transform: translateY(5em) scale(1, 1);
    animation-timing-function: .........完整代码请登录后点击上方下载按钮下载查看