我有这个 HTML 代码
<div class="row">
<div class="col-xs-12">
<div class="titulo">
<h2 class="title-section font-switch">Algunos tecnologias que manejamos</h2>
<span>Si no vez el que necesitas pregunta, a veces no ponemos todos</span>
</div>
</div>
<div class="col-xs-12 col-sm-8 col-sm-offset-2">
<div class="row center">
<div class="col-xs-10 col-xs-offset-1 col-sm-3 col-sm-offset-0 vcenter">
<a href="#portfolioModal1" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
<i class="fa fa-search-plus fa-3x"></i>
</div>
</div>
<img src="img/csharp.png" class="img-responsive" alt="">
</a>
</div>
<div class="col-xs-10 col-xs-offset-1 col-sm-3 col-sm-offset-0 vcenter">
<a href="#portfolioModal1" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
<i class="fa fa-search-plus fa-3x"></i>
</div>
</div>
<img src="img/java.jpg" class="img-responsive" alt="">
</a>
</div>
<div class="col-xs-10 col-xs-offset-1 col-sm-3 col-sm-offset-0 vcenter">
<a href="#portfolioModal1" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
<i class="fa fa-search-plus fa-3x"></i>
</div>
</div>
<img src="img/cmasmas.png" class="img-responsive" alt="">
</a>
</div>
<div class="col-xs-10 col-xs-offset-1 col-sm-3 col-sm-offset-0 vcenter">
<a href="#portfolioModal1" class="portfolio-link" data-toggle="modal">
<div class="caption">
<div class="caption-content">
<i class="fa fa-search-plus fa-3x"></i>
</div>
</div>
<img src="img/androidstudio.png" class="img-responsive" alt="">
</a>
</div>
</div>
</div>
</div>
显示如下:
但是当屏幕尺寸更改为移动屏幕时,视图是这样的:
a margin is needed (top or bottom or both)
我知道我可以使用媒体查询添加它,但我相信如果我使用引导程序,我必须使用不太可能的媒体查询。
如何只为移动屏幕添加边距?
如果您使用的是 Bootstrap 4,则可以使用间距实用程序来完成此操作:
<div class="mb-4 mb-md-0"></div>
这说:
mb-4
:对所有屏幕(xs 及以上)使用底部边距大小 4
mb-md-0
:对于中型 (md) 屏幕及以上屏幕,使用底部边距大小 0
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