manual img-circle img-responsive code example

Example 1: bootstrap class align center image

class="mx-auto d-block"

Example 2: how to make image responsive bootstrap 4

<img src="..." class="img-fluid" alt="Responsive image">

Example 3: image responsive bootstrap 4

<img class="img-fluid" src="" alt=""> //This will make your image responsive

Example 4: responsive svg with bootstrap

.svg-content { 
	display: inline-block;
	position: absolute;
	top: 0;
	left: 0;
}