css+div实现下拉菜单动画效果代码-html代码-BFW代码库

css+div实现下拉菜单动画效果代码

代码语言：html

代码描述：css+div实现下拉菜单动画效果代码

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>
.area::after {
  content: "";
  display: block;
  width: 101%;
}
</style>
  
  
  
<style>
:root {
  --clr: #2196f3;
  --bgc: #ffffff;
  --icon: #ffffff;
  --tra: all 0.5s ease 0s;
}

body {
  height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(to bottom, #4e4376, #2b5876);
  font: 1em system-ui, sans-serif;
  line-height: 1.4;
}

body:before, body:after {
    content: "";
    position: absolute;
    width: 1em;
    height: 1em;
    border: 0em solid #fff;
    border-width:0 0 0.2em 0.2em;
    transform: rotate(45deg);
    left: 1.25em;
    bottom: 1.35em;
    border-radius: 0.1em;
}

body:after {
    left: inherit;
    right: 1.25em;
    transform: rotate(-135deg);
}

h2 {
  line-height: 1.25;
  margin: 1em 0 1em 0;
  color: #4d4476;
  font-weight: 500;
}


.area {
  background: 
    linear-gradient(-88.75deg, #fff0 1.5em, var(--bgc) calc(1.5em .........完整代码请登录后点击上方下载按钮下载查看