display flex usnig bootstrap
<!-- flexbox with justify-content:normal -->
<div class="d-flex">...</div>
<!-- flexbox with justify-content:space-between -->
<div class="d-flex justify-content-between">...</div>
<!-- flexbox with justify-content:space-around -->
<div class="d-flex justify-content-around">...</div>
<!-- flexbox with justify-content:space-center -->
<div class="d-flex justify-content-center">...</div>
<!-- flexbox with justify-content:flex-start -->
<div class="d-flex justify-content-start">...</div>
<!-- flexbox with justify-content:flex-end -->
<div class="d-flex justify-content-end">...</div>