td,
th {
  border: 2px solid black;
}

#matrice_capa {
  margin-top: 0px;
}

#page {
  margin-top: 20px;
}

#page_flotte {
  margin-top: 70px;
}

#box {
  margin: 0 10px;
  box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
  transition: 0.7s;
}

#box img {
  display: block;
  width: 100%;
  border-radius: 5px;
}

#box:hover {
}

#vol {
  width: 100%;
}

.btn.btn-square {
  width: 200px;
  height: 200px;
  font-size: 2rem;
}

.btn-square i {
  font-size: 3rem;
}