div+css实现圆柱围成一圈伸缩loading加载动画代码-html代码-BFW代码库

div+css实现圆柱围成一圈伸缩loading加载动画代码

代码语言：html

代码描述：div+css实现圆柱围成一圈伸缩loading加载动画代码

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>
    * {
  border: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #454954;
  --fg: #e3e4e8;
  --fg-t: rgba(227, 228, 232, 0.5);
  --primary1: #255ff4;
  --primary2: #5583f6;
  --trans-dur: 0.3s;
  font-size: calc(16px + (20 - 16) * (100vw - 320px) / (1280 - 320));
}

body {
  background-color: var(--bg);
  background-image: linear-gradient(135deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.2));
  color: var(--fg);
  font: 1em/1.5 "Varela Round", Helvetica, sans-serif;
  height: 100vh;
  min-height: 360px;
  display: grid;
  place-items: center;
  transition: background-color var(--trans-dur), color var(--trans-dur);
}

.pl {
  box-shadow: 2em 0 2em rgba(0, 0, 0, 0.2) inset, -2em 0 2em rgba(255, 255, 255, 0.1) inset;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transform: rotateX(30deg) rotateZ(45deg);
  width: 15em;
  height: 15em;
}
.pl, .pl__dot {
  border-radius: 50%;
}
.pl__dot {
  animation-name: shadow;
  box-shadow: 0.1em 0.1em 0 0.1em black, 0.3em 0 0.3em rgba(0, 0, 0, 0.5);
  top: calc(50% - 0.75em);
  left: calc(50% - 0.75em);
  width: 1.5em;
  height: 1.5em;
}
.pl__dot, .pl__dot:before, .pl__dot:after {
  animation-duration: 2s;
  animation-iteration-count: infinite;
  position: absolute;
}
.pl__dot:before, .pl__dot:after {
  content: "";
  display: block;
  left: 0;
  width: inherit;
  transition: background-color var(--trans-dur);
}
.pl__dot:before {
  animation-name: pushInOut1;
  background-color: var(--bg);
  border-radius: inherit;
  box-shadow: 0.05em 0 0.1em rgba(255, 255, 255, 0.2) inset;
  height: inherit;
  z-index: 1;
}
.pl__dot:after {
  animation-name: pushInOut2;
  background-color: var(--primary1);
  border-radius: 0.75em;
  box-shadow: 0.1em 0.3em 0.2em rgba(255, 255, 255, 0.4) inset, 0 -0.4em 0.2em #2e3138 inset, 0 -1em 0.25em rgba(0, 0, 0, 0.3) inset;
  bottom: 0;
  clip-path: polygon(0 75%, 100% 75%, 100% 100%, 0 100%);
  height: 3em;
  transform: rotate(-45deg);
  transform-origin: 50% 2.25em;
}
.pl__dot:nth-child(1) {
  transform: rotate(0deg) translateX(5em) rotate(0deg);
  z-index: 5;
}
.pl__dot:nth-child(1), ..........完整代码请登录后点击上方下载按钮下载查看