div+css实现粘性头部导航条效果代码-html代码-BFW代码库

div+css实现粘性头部导航条效果代码

代码语言：html

代码描述：div+css实现粘性头部导航条效果代码，向下滚动试试。

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/reset.min.css">
  
  
<style>
:root {
  --color-primary: purple;
  accent-color: var(--color-primary);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: Inter, Roboto, "Helvetica Neue", "Arial Nova", "Nimbus Sans", Arial, sans-serif;
  height: 100vh;
  padding-top: var(--_header-h, 4rem);
}

img {
  display: block;
  max-width: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

h1 {
  -webkit-margin-after: 1rem;
          margin-block-end: 1rem;
  font-size: 3rem;
}

h2 {
  font-size: 2rem;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.wrapper {
  display: grid;
  place-content: center;
  height: 100vh;
}

.header {
  padding: 2rem;
  position: fixed;
  inse.........完整代码请登录后点击上方下载按钮下载查看