Allen 2023-02-14 11:49:18 4119 0 0 0 0

前端开发,CSS,今天这个练习是一个用纯CSS实现的动画效果，非常有趣，大家可以看一下它的最终效果：HTML代码：

今天这个练习是一个用纯CSS实现的动画效果，非常有趣，大家可以看一下它的最终效果：

HTML代码：

<html>  <head>    <meta charset="utf-8">    <title>【每日一练】134—一个好玩有趣的CSS动画效果title>    <link rel="stylesheet" href="style.css">  head>  <body>    <div class="box">      <span style="--i:0;"><i>i>span>      <span style="--i:1;"><i>i>span>      <span style="--i:2;"><i>i>span>      <span style="--i:3;"><i>i>span>      <span style="--i:4;"><i>i>span>      <span style="--i:5;"><i>i>span>      <span style="--i:6;"><i>i>span>      <span style="--i:7;"><i>i>span>      <span style="--i:8;"><i>i>span>      <span style="--i:9;"><i>i>span>      <span style="--i:10;"><i>i>span>      <span style="--i:11;"><i>i>span>      <span style="--i:12;"><i>i>span>      <span style="--i:13;"><i>i>span>      <span style="--i:14;"><i>i>span>      <span style="--i:15;"><i>i>span>    div>  body>html>

CSS代码：

*{  margin: 0;  padding: 0;  box-sizing: border-box;}body {  display: flex;  justify-content: center;  align-items: center;  min-height: 100vh;  background: #222;}.box {  position: relative;  width: 500px;  height: 500px;  display: flex;  justify-content: center;}.box span {  position: absolute;  width: 10px;  height: 250px;  border-bottom: 40px solid transparent;  transform-origin: bottom;  transform: rotate(calc(22.5deg * var(--i))) translateX(0px);}.box span::before {  content: '';  position: absolute;  width: 100%;  height: 50px;  background: #03a9f4;  box-shadow: 0 0 20px #03a9f4;  border-radius: 10px;  transform: translateY(160px);  animation: animate 1.5s linear infinite;  animation-delay: calc(0.1s * var(--i));}@keyframes animate {  0%   {    transform: translateY(160px) rotate(0deg);    filter: hue-rotate(0deg);  }  50%  {    transform: translateY(0px);  }  100%  {    transform: translateY(160px) rotate(360deg);    filter: hue-rotate(360deg);  }}.box span::after {  content: '';  position: absolute;  bottom: 0;  width: 10px;  height: 17px;  background: #03a9f4;  transform-origin: bottom;  transform: rotate(102deg);  animation: animateColor 1.5s linear infinite;}.box span i {  position: absolute;  width: 15px;  height: 100px;  transform-origin: top;  transform: rotate(79deg);  animation: animateSide 1.5s linear infinite,animateColor 1.5s linear infinite;  animation-delay: calc(0.1s * var(--i));  border-left: 2px solid #03a9f4;  border-right: 2px solid #03a9f4;  display: flex;  justify-content: center;  align-items: center;}@keyframes animateSide {  0%,25%,50.1%,100%  {    background: transparent;  }  25.1%,50%  {    background: #03a9f4;  }}@keyframes animateSide {  0%,40%,65.1%,100%  {    background: #333;  }  40.1%,65%  {    background: #03a9f4;  }}@keyframes animateColor{  0%  {    filter: hue-rotate(0deg);  }  100%  {    filter: hue-rotate(360deg);  }}