body {
  background-image: url('../img/background.jpg');
  background-position: 0 50%;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: scroll;
  width: 100vw;
  height: 100vh;
}

.icons-container a {
  color: #fff;
  text-decoration: none;
}

.container {
  display: flex; /* or inline-flex */
  flex-direction: column;
  height: inherit;
  justify-content: center;
  align-items: center;
}

main {
  align-items: center;
  text-align: center;
}

main img {
  width: 180px;
}

main p {
  color: #fff;
  font-size: 1.5em;
  display: flex;
  justify-content: space-around;
}

.icons-container {
  max-width: 200px;
  margin: auto;
}

.marge-bottom-md {
  margin-bottom: 50px;
}