body{
  margin: 0;
  padding: 0;
  overflow: hidden;
}

img{
  width: 100%;
  /* width: auto; */
}

#container{
  position: absolute;
  width: 100%;
  height:100%;
  background-color: rgba(255, 255, 255, 0.5);
  background-image: url("poster_install.png");
  background-size: cover;
  background-repeat: no-repeat;
}

#description{
  position: absolute;
  text-align: justify;
  font-family: 'Avenir';
  font-size: 1.5em;
  width: 80%;
  height: 100%;
  top: 0%;
  margin-left: 0%;
  padding-left: 10%;
  padding-right: 10%;
  padding-top: 5%;
  background-color: rgba(255, 255, 255, 0.8);
}

@media only screen and (min-device-width : 320px) and (max-device-width : 480px) {
  #description{
    font-size: 2.5em;
  }
}