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