*
{
  margin: 0;
  padding: 0;
}

section
{
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  margin-top: 50px
}

section img
{
  margin: 25px;
}

.gauche, .mid, .droite
{
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1
{
  font-size: 40px;
  font-weight: bold;
}

#titreResponsive
{
  display: none;
}

@media screen and (max-width: 700px)
{
  h1
  {
    display: none;
  }

  #titreResponsive
  {
    display: flex;
    justify-content: center;
    font-size: 40px;
    font-weight: bold;
    margin-top: 4%;
    text-align: center;
  }

  section
  {
    display: flex;
    flex-direction: column;
  }

  .gauche, .mid, .droite
  {
    display: flex;
    flex-direction: column;
  }
}