bootstrap center

1<div class="row">
2    <div class="col-4 d-flex justify-content-center text-center">
3        // for image and text
4    </div>
5</div>

1<div class="row align-items-center justify-content-center">
2    <div class="col">This will be centered vertically and horizontally</div>
3</div>
4

1<div class="d-flex justify-content-start">...</div>
2<div class="d-flex justify-content-end">...</div>
3<div class="d-flex justify-content-center">...</div>
4<div class="d-flex justify-content-between">...</div>
5<div class="d-flex justify-content-around">...</div>

1<!-- Center columns in a Row -->
2<div class="row d-flex justify-content-center text-center">
3    <div class="col-4">
4        // Add Content
5    </div>
6    <div class="col-4">
7        // Add Content
8    </div>
9    <div class="col-4">
10        // Add Content
11    </div>
12</div>

1<div class="row">
2    <div class="col-md-2 col-md-offset-5"></div>
3</div>

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