image fluid bootstrap 4 code example
Example 1: how to make image responsive bootstrap 4
<img src="..." class="img-fluid" alt="Responsive image">
Example 2: image responsive bootstrap 4
<img class="img-fluid" src="" alt=""> //This will make your image responsive
Example 3: bootstrap image size
.food1 img {
width:100%;
height: 230px;
}