#Lier, #Copier, #Modifier {
    float: right;
}

.btn {
    display: inline-block;
    text-decoration: none;
    color: black;
    background-color: #eee;
    text-align: center;
    letter-spacing: .5px; 
    border: none;
    border-radius: 2px;
    height: 36px;
    line-height: 36px;
    outline: 0;
    padding: 0 2rem;
    text-transform: uppercase;
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
    margin: 0 10px 0 10px;
}

.btn-center {
    margin: auto;
    margin-top: 10px;
    margin-bottom: 10px;
    display: block;
}

#lien_viaf {
    box-shadow: none;
    color: grey;
    margin: 10px;
    margin:auto;
    display: block;
    width: 150px;
    margin-top: 10px;
    margin-bottom: 10px;
}

#lien_viaf[href] {
    box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.16), 0 2px 10px 0 rgba(0, 0, 0, 0.12);
    color: black;
}