body{
    background-color: grey ;
    font-size: 20px;
    font-family: arial;
}
form.leForm {
    display: table;
    
}

div.zoneDeSaisie {
    display: table-row;
}

label, input {
    display: table-cell;
    margin-bottom: 10px;
}

label {
    padding-right: 10px;
}

fieldset{
    width: 30%;
}

input.btnValider{
    margin-top: 20px;
    margin-left: 15%;
    font-size : 20px;
}