.div_categorie_article {
  float: left;
  text-align: right;
  width: 140px;
  padding: 2px;
  font-family: Arial,sans-serif;
  color: #aa0505;
}

.div_titre_article {
  float: left;
  text-align: left;
  width: 350px;
  padding: 2px;
  font-family: Arial,sans-serif;
  border-top: 1px solid silver;
}