.parametrage_evenements {
    margin-bottom: 30px;
    margin-left: 15px;
    width: 90%;
}

.parametrage_evenements>tbody>tr>td {
    padding: 5px;
}

.parametrage_evenements>tbody>tr>td {
    width: 15%;
}

.parametrage_evenements>tbody>tr>td:FIRST-CHILD {
    width: 40%;
}