flex content in a container in bootstrap code example

Example 1: ustify-content: flex-end; bootstrap

<div class="d-flex justify-content-end">...</div>

Example 2: flex wrap bootstrap

<div class="d-flex flex-wrap">...</div>

Example 3: alighn right boostrap 4

<div class="float-left">Float left on all viewport sizes</div><br>
<div class="float-right">Float right on all viewport sizes</div><br>
<div class="float-none">Don't float on all viewport sizes</div>