https://www.freecodecamp.org/learn/2022/responsive-web-design
优化显示
HTML5 has some elements that identify different content areas. These elements make your HTML easier to read and help with Search Engine Optimization (SEO) and accessibility.
<main>标签用于指定文档的主体内容
HTML main 标签
<main>标签与body标签的区别:页脚元素;您应该将其放置在主体内部,但要放置在主体外部,就像处理菜单或侧边栏一样。
html - HTML5中的主要标签是什么?它与身体标签有何不同? - Thinbug
<section>标签:定义了文档的某个区域。比如章节、头部、底部或者文档的其他区域。
<footer>标签
add a footer section to the page.
可点击链接
标签中一个单词的颜色