.container {
  position: absolute;
  top:0;
  bottom:0;
  left:0;
  right:0;
  background-image:url(banner.jpg);
  background-size: cover;
  background-position: 20% center;
}
.boite {
  position: absolute;
  top:15%;
  left:5%;
  color: white;
  font-family: 'Lato', sans-serif;
  width:480px;
}
.nom {
  font-size: 3em;
  letter-spacing: .04em;
  padding-top: .2em;
  padding-bottom: .2em;
  border-top: 3px solid white;
  border-bottom: 3px solid white;
  text-align: center;
}
.bla {
  font-size: 1.4em;
  letter-spacing: .05em;
  margin-top: 2em;
  text-transform: uppercase;
  text-align: center;
}



footer {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4em;
  background-color: rgba(0, 0, 0, 0.25);
}
ul.icons {
  float:right;
  cursor: default;
  list-style: none;
  margin: 0;
  padding: 1em 0;
}

ul.icons li {
  display: inline-block;
  padding: 0 .5em;
}
.icon {
  text-decoration: none;
  border-bottom: none;
  position: relative;
  color: #aaa;
}
.icon:hover{
  color: white;
}
.icon > .label {
  font-family: 'Lato', sans-serif;
  font-size: 1.4em;
  padding-left: .3em;
}
.icon:before {
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  font-family: FontAwesome;
  font-style: normal;
  font-weight: normal;
  text-transform: none !important;
  font-size: 2em;
}
.bigqr {
  position: absolute;
  bottom: 8em;
  right: 4em;
}
.bigqr img {
  height: 14em;
}



@media screen and (max-width: 420px) {
  .container {
    background-position: 23%;
    bottom: 3.7em;
  }
  .boite {
    top:25%;
    left: 5%;
    width: 90%;
  }
  .nom {
    font-size: 1.8em !important;
  }
  .bla {
    font-size: .8em !important;
  }
  footer {
    height: 3.7em;
    background-color: #333;
  }
  ul.icons {
    float: none;
    text-align: center;
    padding: .6em 0;
  }
  ul.icons li {
    padding: 0 .7em;
  }
  .icon:before{
    font-size: 2.4em;
  }
  .icon > .label {
    display: none;
  }
  .qr {
    display: none;
  }
}