来自
http://getbootstrap.com/css/的文档
You may choose one of two containers to use in your projects. Note
that,due to padding and more,neither container is nestable.
和
Turn any fixed-width grid layout into a full-width layout by changing
your outermost .container to .container-fluid.
第二句似乎暗示您可以拥有嵌套容器.第一句似乎暗示一个页面应该有一个容器.
这是什么？
(一种情况可能是希望将容器流体嵌套在容器内 – 或者只是在具有固定宽度的其他元素内).
解决方法
你对使用容器流体的能力是正确的
h4 {
margin-top: 25px;
}
.container {
border: solid 5px red;
}
.row {
margin-bottom: 20px;
}
.row .row {
margin-bottom: 0;
}
.nested-container {
border: solid 3px green;
}
.container-fluid {
border: solid 3px blue;
}
[class*="col-"] {
padding-top: 15px;
padding-bottom: 15px;
background-color: #eee;
background-color: rgba(86,61,124,.15);
border: 1px solid #ddd;
border: 1px solid rgba(86,.2);
}
hr {
margin-top: 40px;
margin-bottom: 40px;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" />
<div class="container">
<div class="row">
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
</div>
<div class="row">
<div class="col-xs-12">
<div class="container-fluid">
<div class="row">
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
</div>
</div>
<div class="container nested-container">
<div class="row">
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
<div class="col-xs-12 col-md-4">.col-xs-12 .col-md-4</div>
</div>
</div>
</div>
</div>
</div>