carousel slider bootstrap 4 images should be of same size 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: how to make full screen images slider in bootstrap 4

  

    

      

      

      

    
    

      
      

        

          
First Slide
          
This is a description for the first slide.
        
      
      
      

        

          
Second Slide
          
This is a description for the second slide.
        
      
      
      

        

          
Third Slide
          
This is a description for the third slide.
        
      
    
    
          
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