.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 900px;
}
.presentation {
  width: 600px;
  height: 500px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}
.picto {
  display: flex;
  justify-content: center;
}
.picto img {
  width: 600px;
  height: auto;
}
.social-network {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}
.social-netwok a{
    margin: 10px;
}
.social-network img {
  width: 60px;
  height: auto;
  
}
.social-network img:hover {
    opacity: 0.8;
}
@media screen and (max-width: 1275px) {
  .presentation {
    width: 300px;
  }
  .social-network img {
    width: 45px;
  }
  .container {
    height: 750px;
  }
  .presentation {
    height: 295px;
  }
  .social-network {
    margin: 2px;
  }
  .picto img {
    width: 295px;
  }
}