如何通过优化HTML页面demo？
摘要：代码： <!-- * @Description: 一个博客页面布局，加上一些CSS和JS样式 * @Author: zhangyh * @Date: 2024-06-29 15:25:16 * @LastEditTim
代码：
<!--
* @Description: 一个博客页面布局，加上一些CSS和JS样式
* @Author: zhangyh
* @Date: 2024-06-29 15:25:16
* @LastEditTime: 2024-06-29 23:06:12
* @LastEditors: zhangyh
* Copyright (c) 2024 by zhangyinghui181217@163.com, All Rights Reserved.
-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Demo</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css" integrity="sha384-xOolHFLEh07PJGoPkLv1IbcEPTNtaed2xpHsD9ESMhqIYd0nLMwNLD69Npy4HI+N" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js" integrity="sha384-7ymO4nGrkm372HoSbq1OY2DP4pEZnMiA+E0F3zPr+JQQtQ82gQ1HPY3QIVtztVua" crossorigin="anonymous"></script>
<style>
.card {
margin-top: 20px;
margin-bottom: 20px;
/* box-shadow: 0 .1rem 0.1rem rgba(0,0,0,.15)!important; */
box-shadow: 0 0 .6rem 0 #d0d0d0; /* 卡片阴影 */
}
.navbar {
box-shadow: 0 0 .6rem 0 #d0d0d0 /* 导航阴影 */
}
.card .card-header {
font-size: 12px;
padding-left: 15px;
padding-top: 5px;
padding-bottom: 5px;
}
.card .card-body p, ul, li {
font-size: 13px;
}
.card .card-body {
padding: 15px;
}
.navbar .container-md .form-inline input {
font-size: 15px;
}
.tagcloud {
font-weight: 100;
padding-top: 0;
padding-bottom: 0;
font-size: 12px;
}
.info_