js+css实现3秒倒计时动画效果代码-html代码-BFW代码库

js+css实现3秒倒计时动画效果代码

代码语言：html

所属分类：动画

代码描述：js+css实现3秒倒计时动画效果代码

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>
@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");

* {
  box-sizing: border-box;
}

body {
  font-family: "Roboto", sans-serif;
  height: 100vh;
  margin: 0;
  overflow: hidden;
}

h4 {
  font-size: 20px;
  margin: 5px;
  text-transform: uppercase;
}

.counter {
  left: 50%;
  position: fixed;
  text-align: center;
  top: 50%;
  transform: translate(-50%, -50%);
}

.counter.hide {
  animation: hide 0.2s ease-out;
  transform: translate(-50%, -50%) scale(0);
}

.final {
  left: 50%;
  position: fixed;
  text-align: center;
  top: 50%;
  transform: translate(-50%, -50%) scale(0);
}

.final.show {
  animation: show 0.2s ease-out;
  transform: translate(-50%, -50%) scale(1);
}

.nums {
  color: #3498db;
  font-size: 50px;
  height: 50px;
  overflow: hidden;
  position: relative;
  width: 250px;
}

.nums span {
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%) rotate(120deg);
  transform-origin: bottom center;
}

.nums span.in {
  animation: goIn 0.5s ease-in-out;
  transform: translate(-50%, -50%) rotate(0deg);
}

.nums span.out {
  animation: goOut 0.5s ease-in-out;
}

.replay {
  background-color: #3498db;
  border: none;
  border-radius: 5px;
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  padding: 0.8rem 1rem;
  position: relative;
  transition: background-color 0.3s;
}

.replay:hover {
  background-color: #0640b4;
}

.replay:active {
  transform: scale(0.98);
}

@keyframes hide {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }

  100% {
    transform: translate(-50%, -50%) scale(0);
  }
}

@keyframes show {
  0% {
    transform: translate(-50%, -50%) scale(0);
  }

  30% {
    transform: translate(-50%, -50%) scale(1.4);
  }

  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes goIn {
  0% {
    transform: translate(-50%, -50%) rotate(120deg);
  }

  30% {
    transform: translate(-50%, -50%) rotate(-20deg);
  }

  60% {
    transform: translate(-50%, -.........完整代码请登录后点击上方下载按钮下载查看