.wrapper {
  max-width: 1280px;
  margin: 0 auto;
  border-left: 1px solid #222;
  border-right: 1px solid #222;
}
section#intro {
  max-width: 1280px;
  margin: 0 auto;
}
section#offline{
  max-width: 1280px;
  margin: 0 auto;
}
nav#navigation {
  margin:0 auto
}