#tarjeta{
    text-align: center;
}
#tarjeta .token{
    padding: 25px;
    font-size: 3em;
    font-weight: bold;
    color:white;
}
#tarjeta img{
    width: 100%;
    max-height: 200px;
    max-width: 250px;
}
#tarjetabody{
    text-align: left;
    background: white;
    padding: 25px;
    border-radius: 15px 15px 15px 15px;
    -webkit-border-radius: 15px 15px 15px 15px;
    -moz-border-radius: 15px 15px 15px 15px;
}

@media only screen and (max-width : 900px) {
    .token{
        padding: 5px;
        font-size: 2.5em;
        font-weight: bold;
        color:white;
    }   
}