Twitter的Bootstrap 3网格，更改断点和删除填充 [英] Twitter's Bootstrap 3 grid, changing breakpoint and removing padding

问题描述

我试图移动到新的boostrap 3网格，我面临一些困难。

1. 如何让网格堆栈低于480像素但不在480像素和768像素之间？


2. 在768像素以上，第一个的填充左边和最后一个填充右边在容器外，但是低于768像素，填充在容器内看起来是不同的，因为内容不再与可能在上面的容器对齐。


3. 当网格堆栈填充保留时，对我来说，它应该在0。
   

任何帮助将欢迎我使用下面的代码与bootstrap 3 RC1

 < div class =containerstyle =background-color：purple;> 
 container 
 
< / div> 
 
< div class =container> 
< div class =row> 
< div style =background-color：redclass =col-4 col-sm-4 col-lg-4>< img data-src =holder.js / 100％x200 >< / div> 
< div style =background-color：blueclass =col-4 col-sm-4 col-lg-4>< img data-src =holder.js / 100％x200 >< / div> 
< div style =background-color：greenclass =col-4 col-sm-4 col-lg-4>< img data-src =holder.js / 100％x200 >< / div> 
< / div> 
< / div> 
  

解决方案

update jan 2014 / p>

另请参阅：表示网格缺少col-ts- *（从小到小）类的集合）。另请参阅： https://github.com/twbs/bootstrap/issues/9746

要将堆叠点设置为480px，您必须重新编译您的CSS。将@ screen-small设置为480px;并定义您的cols：
< div style =background-color：redclass =col-sm-4>
注意这将改变@ grid-float-breakpoint也会导致它定义为 @ grid-float-breakpoint：@ screen-tablet; 。

当向容器添加一行时，没有发现填充问题。

或者尝试： http://www.bootply.com/70212 ，它会通过添加媒体查询（javascript用于

从现在开始，Twitter的Bootstrap定义了三个网格：用于手机的小网格（< 480px），用于平板电脑的小网格（< 768px）和用于Destkops的中大网格（> 768像素）。这些网格的行类前缀是.col-，.col-sm-和.col-lg-。中大网格将堆叠在768像素的屏幕宽度之下。

使用col-4前缀，网格将永远不会叠加。所以删除col-4让你的网格堆叠在480px以下。

另请参阅： http://bassjobsen.weblogs.fm/migrate-your-templates-from-twitter-bootstrap-2-x -to-twitter-bootstrap-3 / 和撰写Twitter的Bootstrap并考虑升级到v3

I m trying to move to the new boostrap 3 grid and I m facing some difficulties.

1. How to have the grid to stack below 480px but not between 480px and 768px?
2. above 768px the padding left of the first and the padding right of the last are outside the container, but below 768px the padding is inside the container so the look is different because the content is no more aligned with a container that could be above.
3. when the grid stack the padding remain but to me it should be at 0.

Any help would be welcome I m using the code below with bootstrap 3 RC1

    <div class="container" style="background-color: purple;">
container

</div>

<div class="container">
    <div class="row">
        <div style="background-color: red" class="col-4 col-sm-4 col-lg-4"><img data-src="holder.js/100%x200"></div>
        <div style="background-color: blue" class="col-4 col-sm-4 col-lg-4"><img data-src="holder.js/100%x200"></div>
        <div style="background-color: green" class="col-4 col-sm-4 col-lg-4"><img data-src="holder.js/100%x200"></div>
    </div>
</div>

解决方案

update jan 2014

See also: https://github.com/twbs/bootstrap/issues/10203

update 21 aug 2013 Since Twitter Bootstrap 3 RC2 the col-* mentioned below has been renamed to xs-col-* There are four grid classes now: xs-col-* (mobile, never stacks), col-sm-* (tablet, stacks below 768px), col-md-* (laptops,stacks below 992 px) and col-lg-* (desktop, stacks below 1200px).

update In my previous answer i use this table from the recent docs:

[old image removed]

When i test this values if found something different:

• "col-xs-*" will be applied always (never stacks)
• "col-sm-*" will be applied between 768 and higher (992px) (stacks at 767)
• "col-lg-*" will be applied between 992 and higher (stacks at 991)

In variables.less you will find:

// Media queries breakpoints
// --------------------------------------------------

// Tiny screen / phone
@screen-tiny:                480px;
@screen-phone:               @screen-tiny;

// Small screen / tablet
@screen-small:               768px;
@screen-tablet:              @screen-small;

// Medium screen / desktop
@screen-medium:              992px;
@screen-desktop:             @screen-medium;

But there doesn't seem to be a breakpoint at 480px (or as @fred_ says the grid is missing the col-ts-* (tiny to small) set of classes). See also: https://github.com/twbs/bootstrap/issues/9746

To set the stacking point at 480px you will have to recompile yours css. Set @screen-small to 480px; and define your cols with: <div style="background-color: red" class="col-sm-4"> after that. Note this will change @grid-float-breakpoint also cause it is defined as @grid-float-breakpoint: @screen-tablet;.

When adding a row to the container i don't find problems with padding.

Or try: http://www.bootply.com/70212 it will stack below 480px by adding a media query (the javascript is used for illustration only)

previous answer

From now Twitter’s Bootstrap defines three grids: Tiny grid for Phones (<480px), Small grid for Tablets (<768px) and the Medium-large grid for Destkops (>768px). The row class prefixes for these grid are ".col-", ".col-sm-" and ".col-lg-". The Medium-large grid will stack below 768 pixels screen width. So does the Small grid below 480 pixels and the tiny grid never stacks.

With your "col-4" prefix the grid will never stack. So remove "col-4" to let your grid stack below the 480px. This also will remove padding cause is stacks now.

See also: http://bassjobsen.weblogs.fm/migrate-your-templates-from-twitter-bootstrap-2-x-to-twitter-bootstrap-3/ and Writing Twitter's Bootstrap with upgrading to v3 in mind

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