简单的html代码怎么写

1.一个完整的html代码主体页面: index.html: <meta ; charset=utf-8" />首页<frameset rows="120,*" cols="*" frameborder="no" border="0" framespacing="0"> <frame src="http://img.ningxialong.com/220817/042SI4O-0.jpg" name="topFrame" scrolling="No" noresize="noresize" id="topFrame" title="topFrame" /> <frameset cols="120,*" frameborder="no" border="0" framespacing="0"> <frame src="http://img.ningxialong.com/220817/042SIX3-1.jpg" name="leftFrame" scrolling="No" noresize="noresize" id="leftFrame" title="leftFrame" /> <frame src="http://img.ningxialong.com/220817/042SM528-2.jpg" name="mainFrame" id="mainFrame" title="mainFrame" /> <body>top.html: <meta ; charset=utf-8" />无标题文档<style type="text/css">.bgx { border-bottom-width: 2px; border-bottom-style: solid; border-bottom-color: #00F;}body { margin-left: 0px; margin-top: 0px; margin-right: 0px;}.qqxf { font-size: 14px; color: #666; text-align: center;}.zhmm { width: 100px;}.xwz { font-size: 14px;}.denglu { width: 100px; height: 25px;}</style><body> 账号: 找回密码 只需一步,快速开始 密码: 文友注册 left.html: <meta ; charset=utf-8" />我的首页<style type="text/css">body { margin-left: 0px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px;}.dh{ margin:0; padding:0; list-style-type: none; }.dh .dh1 { background-color: #39F; height: 30px; margin-bottom:1px; font-size:18px; text-align:center; line-height: 30px; overflow:hidden;}.dh .dh1:hover { height:150px;}.dh2{ margin:0; padding:0; list-style-type:none; }.dh2 li{ height:30px; text-align:center; line-height:30px; background-color: #0F9; }.dh2 li a { text-decoration: none; color: #333; display: block; height: 30px; width: 110px;}.dh2 li:hover{ background:#FF3; }</style><body>