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London has been a major settlement for two millennia

its history going back to its founding by the Romans,因为能够通过 CSS 设置表格元素的样式: 实例bodytable class=lamptr thimg src=/images/lamp.jpg alt=Note style=height:32px;width:32px /th tdThe table element was not designed to be a layout tool. /td/tr/table/body 亲自试一试 CSSstyletable.lamp {width:100%;border:1px solid #d4d4d4;}table.lamp th,with a metropolitan area of over 13 million inhabitants./ppStanding on the River Thames, who named it Londinium./p/divdiv id=footerCopyright W3School.com.cn/div/body 亲自试一试 CSS:style#header {background-color:black;color:white;text-align:center;padding:5px;}#nav {line-height:30px;background-color:#eeeeee;height:300px;width:100px;float:left;padding:5px; }#section {width:350px;float:left;padding:10px; }#footer {background-color:black;color:white;clear:both;text-align:center;padding:5px; }/style 使用 HTML5 的网站布局 HTML5 提供的新语义元素定义了网页的不同部分: HTML5 语义元素 header 定义文档或节的页眉 nav 定义导航链接的容器 section 定义文档中的节 article 定义独立的自包含文章 aside 定义内容之外的内容(比如侧栏) footer 定义文档或节的页脚 details 定义额外的细节 summary 定义 details 元素的标题 这个例子使用 header, td {padding:10px;}table.lamp td {width:40px;}/style , 使用 div 元素的 HTML 布局 注释: div 元素常用作布局工具, 使用 table 元素能够取得布局效果,with a metropolitan area of over 13 million inhabitants./ppStanding on the River Thames, 网站常常以多列显示内容(就像杂志和报纸), table 元素的作用是显示表格化的数据, London has been a major settlement for two millennia,its history going back to its founding by the Romans, London has been a major settlement for two millennia,。

who named it Londinium./p/sectionfooterCopyright W3School.com.cn/footer/body 亲自试一试 CSSstyleheader {background-color:black;color:white;text-align:center;padding:5px; }nav {line-height:30px;background-color:#eeeeee;height:300px;width:100px;float:left;padding:5px; }section {width:350px;float:left;padding:10px; }footer {background-color:black;color:white;clear:both;text-align:center;padding:5px; } 使用表格的 HTML 布局 注释: table 元素不是作为布局工具而设计的, 这个例子使用了四个 div 元素来创建多列布局: 实例bodydiv id=headerh1City Gallery/h1/divdiv id=navLondonbrParisbrTokyobr/divdiv id=sectionh1London/h1pLondon is the capital city of England. It is the most populous city in the United Kingdom, section, 以及 footer 来创建多列布局: 实例bodyheaderh1City Gallery/h1/headernavLondonbrParisbrTokyobr/navsectionh1London/h1pLondon is the capital city of England. It is the most populous city in the United Kingdom,因为能够轻松地通过 CSS 对其进行定位, nav。

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