html {
  background: url(CapBlancNez.png) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}


.main {
  padding-top: 140px;
  display: table;
  margin: 0 auto;
}

@media only screen and (max-width: 600px) {
    .main {
        padding-top: 20px;
        width: 40px;
    }
}

.fa {
  padding: 20px;
  font-size: 30px;
  width: 30px;
  text-align: center;
  text-decoration: none;
  margin: 5px 2px;
  border-radius: 10%;
  color: white;
}

.fa:hover {
    opacity: 0.7;
}

.fa-facebook {
  background: #3B5998;
}

.fa-twitter {
  background: #55ACEE;
}

.fa-linkedin {
  background: #007bb5;
}

.fa-instagram {
  background: #125688;
}

.fa-tumblr {
  background: #2c4762;
}

.fa-github {
  background: #167cc5;
}