message: Change em to % for sv-page margins
diff: .sv-body__page,
  .sv-body__footer {
  @media only screen and (min-width: 1000px) {
  - margin-right: 4.87em;
  - margin-left: 4.87em;
  + margin-right: 5%;
  + margin-left: 5%;
  }
  @media only screen and (max-width: 1000px) {
  margin-right: 0.63em;
  