.credencial {
    text-align: center;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0,0.5); 
    margin-left: 500px;
    margin-right: 500px;
    width: 450px;
    height: 650px;
    font-family: Arial, Helvetica, sans-serif;
}

.yo img {
    width: 150px;
    height: 200px;
    margin-bottom: 15px;
    text-align: center;
}

.datos {
    text-align: left;
}

.datos h4 {
    margin: 40px 0;
    font-size: 20px; 
}

 .datos h4 span {
    font-weight: 100;
 }