carousel size bootstrap 4 code example

Example 1: size carousel bootstrap 4

.carousel .item {
  height: 300px;
}

.item img {
    position: absolute;
    top: 0;
    left: 0;
    min-height: 300px;
}

Example 2: carousel

  

    

      
    
    

      
    
    

      
    
  
  
    
    Previous
  
  
    
    Next
  

Example 3: carousel

getbootstrap.com