make images responsive bootstrap code example
Example 1: how to make image responsive bootstrap 4
<img src="..." class="img-fluid" alt="Responsive image">
Example 2: bootstrap Image thumbnails
In addition to our border-radius utilities, you can use
.img-thumbnail to give an image a rounded 1px border appearance.
<img src="..." alt="..." class="img-thumbnail">
Example 3: bootstrap image size
.food1 img {
width:100%;
height: 230px;
}