css自适应多级导航菜单效果代码-html代码-BFW代码库

css自适应多级导航菜单效果代码

代码语言：html

代码描述：css自适应多级导航菜单效果代码

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">
<link type="text/css" rel="stylesheet" href="//repo.bfw.wiki/bfwrepo/css/font-awesome-4.7.0/css/font-awesome.min.css">
<style>
    @font-face {
  font-family: 'Varela Round';
  font-style: normal;
  font-weight: 400;
  src: url(https://fonts.gstatic.com/s/varelaround/v20/w8gdH283Tvk__Lua32TysjIfp8uK.ttf) format('truetype');
}
* {
  box-sizing: border-box;
}
:root {
  --accent-color: #45494E;
  --gradient-color: #FBFBFB;
}
a:focus {
  outline: none;
  position: relative;
}
a:focus:after {
  width: 50px;
}
a:after {
  content: "";
  background: #FBFBFB;
  position: absolute;
  bottom: 5px;
  left: 15px;
  height: 3px;
  width: 0;
  transition: 0.5s;
  transition-delay: 0.2s;
}
body {
  background: #45494E;
  font-family: "Varela Round", Nunito, Montserrat, sans-serif;
  margin: 0;
  padding: 0;
  text-transform: capitalize;
}
.menu {
  margin: 15px;
}
.menu > ol {
  list-style: none;
  margin: 30px 0;
  padding: 0;
}
.menu > ol > li {
  background: #3c3c3c;
  border-left: 5px solid var(--gradient-color);
  margin-bottom: 1px;
  position: relative;
  transition: 0.5s;
}
.menu > ol > li:nth-child(1) {
  --accent-color: #FDA085;
  --gradient-color: #F6D365;
}
.menu > ol > li:nth-child(2) {
  --accent-color: #BFF098;
  --gradient-color: #6FD6FF;
}
.menu > ol > li:nth-child(3) {
  --accent-color: #EA8D8D;
  --gradient-color: #A890FE;
}
.menu > ol > li:nth-child(4) {
  --accent-color: #D8B5FF;
  --gradient-color: #1EAE98;
}
.menu > ol > li:nth-child(5) {
  --accent-color: #C6EA8D;
  --gradient-color: #FE90AF;
}
.menu > ol > li a {
  color: #FBFBFB;
  display: block;
  padding: 15px;
  position: relative;
  text-decoration: none;
  z-index: 1;
}
.menu > ol > li a:not(:last-child):before {
  content: "\f078";
  font-family: fontAwesome;
  font-size: 0.75em;
  line-height: 50px;
  position: absolute;
  right: 25px;
  top: 0;
  bottom: 0;
  margin: auto;
  transition: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}
.menu > ol > li:focus,
.menu > ol > li:focus-within,
.menu > ol > li:hover {
  z-index: 100;
}
.menu > ol > li:focus:after,
.menu > ol > li:focus-within:after,
.menu > ol > li:hover:after {
  background: linear-gradient(to left, var(--accent-color), var(--gradient-color));
  max-width: 800px;
}
.menu > ol > li:focus .sub-menu,
.menu > ol > li:focus-within .sub-menu {
  max-height: 500px;
}
.menu > ol > li:focus a:before,
.menu > ol > li:focus-within a:before {
  transform: rotate(-180deg);
}
.menu > ol > li:after {
  background: #3c3c3c;
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  transition: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  max-width: 0;
  overflow: hidden;
}
.menu > ol .sub-menu {
  border-left: 1px solid #FBFBFB;
  margin-left: 22.5px;
  list-style: none;
  max-height: 0px;
  overflow: hidden;
  padding-left: 7.5px;
  position: relative;
  transition: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-inde.........完整代码请登录后点击上方下载按钮下载查看