如图所示,我需要在卡之间留出空间,如何增加间距以使结构保持不变
<div class="container" style="padding: 16px;">
<div class="row">
<div class="center">
<div class="card text-white bg-primary mb-r" style="width:100px;height:100px;margin: auto;">
<div class="card-body">
<h4 class="card-title">DEL</h4>
<h7 class="card-text" style="align-content:flex-end">916</h7>
</div>
</div>
</div>
<div class="center">
<div class="card text-white bg-primary mb-r" style="width:100px;height:100px;margin: auto;">
<div class="card-body">
<h4 class="card-title">DEL</h4>
<h7 class="card-text" style="align-content:flex-end">916</h7>
</div>
</div>
</div>
<div class="center">
<div class="card text-white bg-primary" style="width:100px;height:100px;margin: auto;">
<div class="card-body">
<h4 class="card-title">DEL</h4>
<h7 class="card-text" style="align-content:flex-end">916</h7>
</div>
</div>
</div>
<div class="center">
<div class="card text-white bg-primary" style="width:100px;height:100px;margin: auto;">
<div class="card-body">
<h4 class="card-title">DEL</h4>
<h7 class="card-text" style="align-content:flex-end">916</h7>
</div>
</div>
</div>
</div>
</div>
下面的图片是我编写的代码,我需要在它们之间留出间距。