Generated by SassMeister.com.

SassMeister-input-HTML.html

<div class="full-width">
  <div class="eminem-wrapper"></div>
</div>

SassMeister-input.scss

// ----
// libsass (v3.2.5)
// ----

.full-width{
  width: 100%;
  height: 200px;
  background-color: red;
  .eminem-wrapper{
    margin: 0 auto;
    background-color: blue;
    width: 100%;
    max-width: 1200px;
    height: 100%;
  }
}

SassMeister-output.css

.full-width {
  width: 100%;
  height: 200px;
  background-color: red;
}

.full-width .eminem-wrapper {
  margin: 0 auto;
  background-color: blue;
  width: 100%;
  max-width: 1200px;
  height: 100%;
}

SassMeister-rendered.html

<div class="full-width">
  <div class="eminem-wrapper"></div>
</div>