Introduction
If you have problems with image height with responsive carousel with bootstrap 4 and browsers: Chrome, Opera and Vivaldi check the following solutions.
Solution 1: Update bootstrap
The problems with responsive caruosel should be fixed on the latest bootstrap 4 version. If problem persists check the next solutions.
Solution 2: You are missing classes
You need to add 3 classes which covers the transitions:
.carousel-item.active,
.carousel-item-next,
.carousel-item-prev{
display:block;
}
Solution 3: Overwrite image height
You can overwrite the size of the image using the 100% on height and width:
width:100%; height:100%