css布局

更多信息可以查看我的github仓库

MDN 定位

https://developer.mozilla.org/zh-CN/docs/Learn/CSS/CSS_layout/%E5%AE%9A%E4%BD%8D

MDN 定位实战

https://developer.mozilla.org/zh-CN/docs/Learn/CSS/CSS_layout/Practical_positioning_examples

MDN Flexbox

https://developer.mozilla.org/zh-CN/docs/Learn/CSS/CSS_layout/Flexbox

布局

这个基础需要恶补

圣杯布局

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# css
body {
margin: 0;
padding: 0;
}

.header,
.footer {
background: red;
padding: 20px 0;
}

.container {
padding-left: 200px;
padding-right: 200px;
/* min-width: 600px; */
}

.content,
.left,
.right {
height: 200px;
float: left;
position: relative;
}


.content {
width: 100%;
background: gold;
}

.left {
width: 200px;
height: 200px;
background: #333;
margin-left: -100%;
right: 200px;
}

.right {
width: 200px;
height: 200px;
background: #eee;
margin-right: -200px;
}

.footer {
clear: both;
}

* html .left {
left: 200px;
}
# html
<div class="header">
header
</div>

<div class="container">
<div class="content">Lorem ipsum dolor sit amet consectetur adipisicing elit. Obcaecati iusto cumque quibusdam quis qui sit quisquam iure repellat perferendis. Tempora accusantium dignissimos, magnam est placeat enim dicta dolores nam distinctio!</div>
<div class="left"></div>
<div class="right"></div>
</div>

<div class="footer">
footer
</div>

双飞翼布局

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#css 

.left,
.main,
.right {
float: left;
min-height: 200px;
}
.left {
background: gray;
width: 200px;
margin-left: -100%;
}
.main {
background: rgb(252, 102, 102);
width: 100%;
}
.right {
background: #333;
width: 200px;
margin-left: -200px;
}
.content {
margin: 0 200px;
overflow: hidden;
}

#html
<div class="container">

<div class="main">
<div class="content">Lorem ipsum dolor sit amet consectetur adipisicing elit. Culpa quos labore, ad officiis animi libero ipsam dolorum explicabo placeat facere fuga ex suscipit porro nesciunt quod mollitia corrupti voluptatem a?</div>
</div>
<div class="left">left</div>
<div class="right">right</div>
</div>

圣杯布局和双飞翼布局的作用和区别

http://www.cnblogs.com/woodk/p/5147085.html

http://www.cnblogs.com/imwtr/p/4441741.html

flex 布局

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#css
.container {
-webkit-display:flex;
display: flex;
min-height: 200px;
}
.left {
order: -1;
background: red;
flex-basis: 200px;
}
.main {
background: forestgreen;
flex-grow: 1;
}
.right{
background: gold;
flex-basis: 300px;
}
#html
<div class="container">

<div class="main">Lorem ipsum dolor sit amet consectetur adipisicing elit. Eaque quae, veritatis dignissimos laborum debitis id accusantium dolore inventore odit sed! Sunt officiis temporibus esse eum ab fuga ad sequi officia?</div>
<div class="left">left</div>
<div class="right">right</div>
</div>

绝对定位布局

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# css 

.container {
position: relative;
}

.main,
.right,
.left {
top: 0;
height: 130px;
}

.main {
background: gray;
margin: 0 300px 0 200px;
}

.right {
position: absolute;
width: 300px;
right: 0;
background: red;
}

.left {
width: 200px;
position: absolute;
left: 0;
background: green;
}

#html
<div class="container">
<div class="main">man</div>
<div class="left">left</div>
<div class="right">right</div>
</div>

实现布局还原

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#css
body{
margin: 0;
padding: 0;
}

* {
box-sizing: border-box;
}
.fl{
float: left;
}
.ri {
float: right;
}

.header{
width: 100%;
min-width: 960px;
height: 100px;
background: #333;
}

.header-content{
width: 960px;
height: 100%;
margin: 0 auto;
}
.header-content .logo{
width: 100px;
height: 100%;
}
.header-content .logo h1 {
margin: 0;
padding: 0;
font-size: 40px;
color: #fff;
line-height: 100px;
text-align: center;
}
.header-content .about a{
display: inline-block;
padding: 0 4px;
color: #fff;
font-size: 16px;
line-height: 100px;
}


.banner{
width: 100%;
height: 400px;
background: rgb(77, 206, 77);
position: relative;
}

.list{
position: absolute;
bottom: 10px;
right: 10%;
-webkit-display: flex;
display: flex;
}

.list span {
display: block;
width: 30px;
height: 40px;
line-height: 40px;
background: rgba(238, 238, 238, 0.7);
border: 1px solid #333;
float: left;
text-align: center;
align-self: flex-end;
margin: 0 2px;

}
/* .list span:hover{
height: 50px;
line-height: 60px;
} */
.list span.active{
height: 50px;
line-height: 60px;
}

.nav{
width: 100%;
height: 80px;
background: #fff;
border-bottom: 1px solid #eee;
}

.nav-content {
width: 960px;
height: 100%;
margin: 0 auto;
}

.nav-content a{
display: block;
float: left;
width: 140px;
height: 50px;
line-height: 50PX;
text-align: center;
text-decoration: none;
color: #000;
border-left: 1px solid #c5c5c5;
border-top: 1px solid #c5c5c5;
border-right: 1px solid #c5c5c5;
border-bottom: 1px solid #c5c5c5;
background: #eee;
border-radius: 20px 20px 0 0;
margin-top: 30px;
}
.nav-content a.active{
background: #fff;
border-bottom: 1px solid #fff;
}


.main{
width: 960px;
overflow: hidden;
margin: 10px auto 0;
}

.main .row{
-webkit-display: flex;
display: flex;
}

.main .row .row-content {
flex: 1;
height: 200px;
text-align: center;
border: 1px solid #bfbfbf;
/* padding: 80px; */
margin: 4px;
align-items: center;
justify-content: center;
-webkit-display: flex;
display: flex;
}


.footer{
width: 100%;
height: 100px;
background: #404040;
text-align: center;
line-height: 100px;
font-size: 16px;
color: #fff;
}

# html

<div class="header">
<div class="header-content">
<div class="logo fl">
<h1>logo</h1>
</div>
<div class="about ri">
<a href="#">Github</a>
<a href="#">Register</a>
<a href="#">Login</a>
</div>
</div>
</div>

<div class="banner">
<div class="list">
<span>1</span>
<span class="active">2</span>
<span>3</span>
<span>4</span>
</div>
</div>

<div class="nav">
<div class="nav-content">
<a href="#" class="active">HOME</a>
<a href="#">PROFLE</a>
<a href="#">ABOUT</a>
</div>
</div>

<div class="main">
<div class="row">
<div class="row-content">content</div>
<div class="row-content">content</div>
<div class="row-content">content</div>
</div>
<div class="row">
<div class="row-content">content</div>
<div class="row-content">content</div>
<div class="row-content">content</div>
<div class="row-content">content</div>
</div>
<div class="row">
<div class="row-content">content</div>
<div class="row-content">content</div>
<div class="row-content">content</div>
</div>
</div>

<div class="footer">
<p>&copy; 2018 ife.baidu.com</p>
</div>

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