1.布局
① 使用
元素的 HTML 布局,
元素常用作布局工具,因为能够轻松地通过 CSS 对其进行定位。
DOCTYPE html >
html >
head >
style >
#header {
background-color : black ;
color : white ;
text-align : center ;
padding : 5px ;
}
把div理解成一个盒子,设置了盒子的高和宽,后面的盒子就自动跑到前面盒子没占的地方
#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 ; 清除前面float(浮动)的影响
text-align : center ;
padding : 5px ;
}
style >
head >
body >
div id ="header" >
h1 > City Gallery h1 >
div >
div id ="nav" >
London br >
Paris br >
Tokyo br >
div >
div id ="section" >
h2 > London h2 >
p >
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.
p >
p >
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.
p >
div >
div id ="footer" >
Copyright ? W3Schools测试数据
div >
body >
html >
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