London is the capital city of England. It is the most populous city in the United Kingdom,
with a metropolitan area of over 13 million inhabitants.
Standing on the River Thames, London has been a major settlement for two millennia,
its history going back to its founding by the Romans, who named it Londinium.
② 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
City Gallery
London
London is the capital city of England. It is the most populous city in the United Kingdom,
with a metropolitan area of over 13 million inhabitants.
Standing on the River Thames, London has been a major settlement for two millennia,
its history going back to its founding by the Romans, who named it Londinium.
③ 使用表格的 HTML 布局 。
元素不是作为布局工具而设计的,
元素的作用是显示表格化的数据,使用
元素能够取得布局效果,因为能够通过 CSS 设置表格元素的样式
复习表格:下面代码所定义的是一个一行一列的表格,
是这一行的表头,
是这一行的内容,
定义了这一行。
The table element was not designed to be a layout tool.
2.HTML 响应式 Web 设计
RWD 指的是响应式 Web 设计(Responsive Web Design)
RWD 能够以可变尺寸传递网页
RWD 对于平板和移动设备是必需的
① 创建响应式设计的一个方法,是自己来创建它:
W3School Demo
Resize this responsive page!
London
London is the capital city of England.
It is the most populous city in the United Kingdom,
with a metropolitan area of over 13 million inhabitants.
Paris
Paris is the capital and most populous city of France.
Tokyo
Tokyo is the capital of Japan, the center of the Greater Tokyo Area,
and the most populous metropolitan area in the world.
② 使用 Bootstrap,另一个创建响应式设计的方法,是使用现成的 CSS 框架。Bootstrap 是最流行的开发响应式 web 的 HTML, CSS, 和 JS 框架。Bootstrap 帮助您开发在任何尺寸都外观出众的站点:显示器、笔记本电脑、平板电脑或手机:
W3School Demo
Resize this responsive page!
London
London is the capital city of England.
It is the most populous city in the United Kingdom,
with a metropolitan area of over 13 million inhabitants.
Paris
Paris is the capital and most populous city of France.
Tokyo
Tokyo is the capital of Japan, the center of the Greater Tokyo Area,
and the most populous metropolitan area in the world.