#block-navigationprincipale #superfish-main {
  text-align: center;
  margin: auto;
  display: flex;
  justify-content: center;
  flex-direction: column;
  flex-wrap: wrap;
}
@media (min-width: 1199px) {
  #block-navigationprincipale #superfish-main {
    flex-direction: row;
  }
}
#block-navigationprincipale #superfish-main li {
  float: none;
}