button.envoyer {
    background-image:url(/fileadmin/images/btn_envoyer.png);
}

button.envoyer {
    height:18px;
    width:62px;
}

button {
    background-color:#B6BDB3;
    background-position:left top;
    background-repeat:no-repeat;
    border:medium none;
    color:#FFFFFF;
    padding:2px 10px;
}