card properties in bootstrap code example

Example 1: bootstrap card change image

.card-img-top {
    width: 100%;
    height: 15vw;
    object-fit: cover;
}

Example 2: box around image and text using bootstrap 4

  

    

      

        
Special title treatment
        
With supporting text below as a natural lead-in to additional content.
        Go somewhere
      
    
  
  

    

      

        
Special title treatment
        
With supporting text below as a natural lead-in to additional content.
        Go somewhere