how to center in bootstrap code example

Example 1: centralize div bootstrap

<div class="row align-items-center justify-content-center">
    <div class="col">This will be centered vertically and horizontally</div>
</div>

Example 2: bootstrap center

<div class="row h-100">
   <div class="col-sm-12 my-auto">
     <div class="card card-block w-25">Card</div>
   </div>
</div>

Example 3: how to center an element in bootstrap

//Bootstrap answer
To center text add .text-center class to the parent element