27th CSS Traditional layout (top)

Last Update:2016-09-10 Source: Internet

Author: User

Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

27th Chapter CSS Traditional layout [top]
Learning Essentials:
1. Layout model
2. Table layout
3. Floating layout

This chapter focuses on the traditional layout used in the early days of CSS in HTML5, and in many cases, these layouts
is very useful.
A Layout model
In the early days of mobile devices such as tablets and smartphones, Web pages were designed primarily for
PC-side computer resolution is expanded. This resolution ratio is relatively single, basically as long as the minimum resolution design can be met.
In general there are 4:3, 16:10, 16:9 such major resolutions. So, from this scale, the length is always
Greater than the width. Design from a minimum resolution of 1024 * 768. In order to make the scroll bar not appear at the bottom of the browser,
Subtract the appropriate width, such as minus 28, and the final fixed length is set to 996. Of course, there are some websites in the near
For two years, the minimum resolution is set to 1280 minus the scrollbar width, as the large display is progressively mainstream.
In addition to the fixed-length layout just described, there is also a fluid layout, which is the length of the layout as a percentage,
such as 100%. No matter what resolution you are, it can be displayed in full screen, of course, the limitations are particularly large, only for some single
A page, a complex page, will create a variety of reading barriers with different browsers.

Two. Table layout
Table layout is the layout of the table border and fill implementation by setting a fixed cell. Of course this cloth
Bureau is very not recommended to use, just teach to understand. The table should use its most semantic place, that is, the data display of the two-dimensional table.
1. Fixed layout
//html section
<table border= "0";
<tr>
<td colspan= "2" class= "header" >header </td>
</tr>
<tr>
<td class= "aside" >ASIDE</TD>
<td class= "section" >section</td>
</tr>
<tr>
<td colspan= "2" class= "Footer" >footer</td>
</tr>
</table>
//css part
Body {
margin:0;
}
Table {
margin:0 auto;
width:960px;
border-spacing:0;
}
. header {
height:120px;
background-color:olive;
}
. aside {
width:200px;
height:500px;
Background-color:purple;
}
. section {
width:760px;
height:500px;
Background-color:maroon;
}

. footer {
height:120px;
Background-color:gray;
}
2. Fluid layout
It is easy to change the fixed layout of the table to a fluid layout, just set the table to 100%.
Modify Table
Table {
width:100%;
}
Three Floating layouts
Floating layouts are primarily built with float and clear two properties.
1. Fixed layout
HTML section
Header
<aside>
Aside
</aside>
<section>
Section
</section>
<footer>
Footer
</footer>
CSS Section
Body {
width:960px;
margin:0 Auto;
Color:white;
}
Header {
height:120px;
background-color:olive;
}
aside {

width:200px;
height:500px;
Background-color:purple;
Float:left;
}
Section {
width:760px;
height:500px;
Background-color:maroon;
Float:right;
}
Footer {
height:120px;
Background-color:gray;
Clear:both;
}

2. Fluid layout
Fluid layout As long as the body element is changed to a limited length of auto or 100%. Then the left and right two columns were set 20%
and 80%.
CSS Section
Body {
Width:auto;
}
aside {
width:20%;
}
Section {
width:80%;
}

Example:

<! DOCTYPE html>
<meta charset= "Utf-8" >
<TITLE>CSS traditional layout [Upper]</title>
<link rel= "stylesheet" type= "Text/css" href= "Style.css" >
<body>

<table border= "0" >
<tr>
<TD colspan= "2" class= "header" >header</td>
</tr>
<tr>
<TD class= "aside" >aside</td>
<TD class= "section" >section</td>
</tr>
<tr>
<TD colspan= "2" class= "Footer" >footer</td>
</tr>
</table>

</body>

@charset "Utf-8";

Body {
margin:0;
}

Table {
/*width:960px;*/
width:100%;
margin:0 Auto;
/*border-spacing:0px;*/
Border-collapse:collapse;
}
. header {
height:120px;
background-color:olive;
}
. aside {
width:200px;
height:500px;
Background-color:purple;
}
. Section {
width:760px;
Background-color:maroon;
}
. footer {
height:120px;
Background-color:gray;
}

Example 2

<! DOCTYPE html>
<meta charset= "Utf-8" >
<TITLE>CSS traditional layout [Upper]</title>
<link rel= "stylesheet" type= "Text/css" href= "Style2.css" >
<body>

Header

<aside>
Aside
</aside>

<section>
Section
</section>

<footer>
Footer
</footer>

</body>

@charset "Utf-8";

Body {
margin:0 Auto;
/*width:960px;*/
Width:auto;
}

Header {
height:120px;
background-color:olive;
}
aside {
/*width:200px;*/
width:20%;
/*min-width:120px;*/
height:500px;
Background-color:purple;
Float:left;
}
Section {
/*width:760px;*/
width:80%;
height:500px;
Background-color:maroon;
Float:right;
}
Footer {
height:120px;
Background-color:gray;
Clear:both;
}

27th CSS Traditional layout (top)

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

Sales Support

1 on 1 presale consultation

Chat Contact Sales
After-Sales Support

24/7 Technical Support 6 Free Tickets per Quarter Faster Response

Open a Ticket
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

Learn More

27th CSS Traditional layout (top)

Contact Us

A Free Trial That Lets You Build Big!

Sales Support

After-Sales Support