body{
    background-color: rgb(9, 48, 70); 
    text-align: center;
} 

#carte_de_visite{
    margin: auto; 
    display:block;
    max-width: 100%;
}

a{
    color:#8BBF9C; 
    font-size:22px;
    text-decoration: none;
}

a:link {
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:focus {
    text-decoration: underline;
}

a:hover {
    text-decoration: underline;
}

a:active {
    text-decoration: none;
}

@media screen and (max-width: 660px) {
    a{
        font-size:18px;
    }
}

@media screen and (max-width: 570px) {
    a{
        font-size:14px;
    }
}

@media screen and (max-width: 380px) {
    a{
        font-size:12px;
    }
}