我用你的代码创建了一个代码笔,没有i标记,我在伪元素(:after)上添加了图标,然后隐藏了最后一个项目,你可能需要在小屏幕视图中删除它们。检查这是否有帮助
CodePen here
<html>
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/all.css" integrity="sha384-lKuwvrZot6UHsBSfcMvOkWwlCMgc0TaWr+30HWe3a4ltaBwTZhyTEggF5tJv8tbt" crossorigin="anonymous">
<title></title>
<style>
.ibox {
border-style: solid;
border-color: black;
}
.col-md-3:after {
display: block;
font-weight: 900;
font-family: "Font Awesome 5 Free";
content: "\f105";
font-size: 20px;
float: right;
position: absolute;
right: -5px;
top: 100px;
color: red;
}
.col-md-3:last-child:after {
display:none;
}
</style>
</head>
<body>
<div class='container'>
<div class="row">
<div class="col-md-3">
<div class='ibox'>
<h2>Safari bug warning!</h2>
<p class="text-danger">As of v9.1.2, Safari exhibits a bug in which resizing your browser horizontally causes rendering errors in the justified nav that are cleared upon refreshing.</p>
<p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
<p><a class="btn btn-primary" href="#" role="button">View details »</a></p>
</div>
</div>
<div class="col-md-3">
<div class='ibox'>
<h2>Heading</h2>
<p>Donec id elit non mi porta gravida at eget metus. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus. Etiam porta sem malesuada magna mollis euismod. Donec sed odio dui. </p>
<p><a class="btn btn-primary" href="#" role="button">View details »</a></p>
</div>
</div>
<div class="col-md-3">
<div class='ibox'>
<h2>Heading</h2>
<p>Donec sed odio dui. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Vestibulum id ligula porta felis euismod semper. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa.</p>
<p><a class="btn btn-primary" href="#" role="button">View details »</a></p>
</div>
</div>
<div class="col-md-3">
<div class='ibox'>
<h2>Heading</h2>
<p>Donec sed odio dui. Cras justo odio, dapibus ac facilisis in, egestas eget quam. Vestibulum id ligula porta felis euismod semper. Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa.</p>
<p><a class="btn btn-primary" href="#" role="button">View details »</a></p>
</div>
</div>
</div>
</div>
<!-- jQuery -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<!-- Minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</body>
</html>
要在小屏幕中隐藏箭头,可以使用媒体查询,请参见下面的
@media screen and (max-width: 991px) {
.col-md-3:after {
display: none;
}
}
这将隐藏所有屏幕中991像素以下的箭头。