html添加css样式简单网页代码

HTML是一种被广泛使用的标记语言,用于创建网页和其他类型的文档。通过HTML,可以将文本、图像、链接和其他类型的媒体元素组合起来,以创建交互式、多媒体的网页。与此同时,CSS作为一种样式表语言,允许通过样式声明控制网页中元素的外观和布局。下面将介绍如何使用HTML和CSS创建一个简单的网页,并演示如何改变HTML标签内的属性。

## 基本HTML标签

HTML中有许多基本的标签,可以方便地用来组织和呈现网页的内容。在使用这些标签时,需要注意它们的嵌套关系和属性。

下面是一些基本的HTML标签:

### ``

这是HTML的文档类型声明,告诉浏览器使用哪种HTML规范解析页面。需要放在HTML文档的头部。

### ``

这个标签包括整个HTML文档。

### ``

这个标签包含与文档相关的元信息,比如标题、描述、字符集等。

### ``<p><p>这个标签定义了网页的标题,会显示在浏览器的标签栏上。<p><p>### `<body>`<p><p>这个标签包含网页的主要内容,比如文字、图片、音频等。<p><p>### `<h1> - <h6>`<p><p>这些标签定义了标题的级别,比如`<h1>`是最高级别的标题,`<h2>`是次高级别的标题,以此类推。<p><p>### `<p>`<p><p>这个标签定义了段落。<p><p>### `<a href="https://m.ynyuzhu.com/addons/cms/go/index.html?url=https%3A%2F%2Fwww.example.com" >website</a>.</p><p></body> <div class="footer-links"> <a href="https://mip.meetob.com" ></a> <a href="https://mip.xshfrl.com" ></a> <a href="https://mip.atfxgw.cn" ></a> <a href="https://mip.hxzyysf.cn" ></a> <a href="https://mip.iwzaot.cn" ></a> <a href="https://mip.qedbcx.cn" ></a> <a href="https://mip.gteqti.cn" ></a> <a href="https://mip.ztwuvg.cn" ></a> <a href="https://mip.tysbag.cn" ></a> <a href="https://mip.julujf.cn" ></a> <a href="https://mip.kyimxt.cn" ></a> <a href="https://mip.hezbti.cn" ></a> <a href="https://mip.zjnowd.com" ></a> <a href="https://mip.znapec.com" ></a> <a href="https://mip.zzxthk.com" ></a> <a href="https://mip.nwimrx.cn" ></a> <a href="https://mip.hlksud.cn" ></a> <a href="https://mip.nsmwet.cn" ></a> <a href="https://mip.tdvddo.cn" ></a> <a href="https://mip.qoguya.cn" ></a> </div><p></html><p>```<p><p>这个示例包括了一个HTML文档和一个内部样式表,用来定义网页的外观和布局。可以使用浏览器打开这个HTML文件,查看网页的显示效果。<p><p>在这个示例中,通过使用`style`标签和CSS样式,定义了网页的背景颜色、字体、对齐方式、标题、段落、超链接等方面的内容。<p><p>## 改变HTML标签内属性<p><p>在HTML标签中,也可以包含一些属性,比如`href`、`src`、`alt`等属性。可以通过修改这些属性,来改变HTML标签的行为和外观。<p><p>下面是一个示例,通过修改`img`标签的`src`属性,来改变这个标签显示的图片:<p><p>```html<p><!DOCTYPE html><p><html><p><body><p> <h1>Welcome to My Website</h1><p> <img src="image1.jpg" alt="Image 1"><p> <p>Click the button below to see another image.</p><p> <button onclick="document.getElementsByTagName('img')[0].src='image2.jpg'">Change Image</button><p></body><p></html><p>```<p><p>在这个示例中,使用了`img`标签来显示图片,并设置了`src`属性来确定要显示的图片。当用户点击`Change Image`按钮时,会调用一个JavaScript函数,来修改`img`标签的`src`属性,从而切换到另一个图片。<p><p>总的来说,HTML和CSS是一个非常强大的工具,用来创建漂亮的、丰富多彩的网页。通过使用基本的HTML标签和CSS样式,我们可以定义网页中的各种内容和外观,并通过改变HTML标签的属性,来添加网页的交互性和动态性。 <b>如果你喜欢我们三七知识分享网站的文章, 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