align span vertically middle bootstr code example
Example: bootstrap center text vertically
<div class=”row”>
<div class=”col-6 align-self-center”>
<div class=”card card-block”>
Center
</div>
</div>
</div>
<div class=”row”>
<div class=”col-6 align-self-center”>
<div class=”card card-block”>
Center
</div>
</div>
</div>