.card{
    border-radius: 0;
    max-width: 15rem;
    min-width: 12rem;
    margin: auto;
}
.card a{
    color: black;
}
.card a:hover{
    box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22); 
    text-decoration: none;  
    color: blue;
}
.card-header{
    background-color: white;
    padding: 0.2rem;
    text-align: center;
    font-size: 1.2em;
    height: 4rem;
}
.card-body{
    margin: 0; 
    padding: 1.3rem;
    text-align: center;
    height: 12rem;
}
.card-body img{
    margin: auto;
}
.card-footer{
    text-align: center;
    background-color: white;
    height: 5rem;
    font-size: 0.9em;
}