Generated by SassMeister.com.

SassMeister-input-HTML.html

<p class="type display4">Light 112sp</p>

SassMeister-input.scss

// ----
// Sass (v3.4.5)
// Compass (v1.0.1)
// ----

@import url(http://fonts.googleapis.com/css?family=Roboto:400,500,300); 
body {
  font-size: 15px;
}
.type {
  &.display4 {
    font-weight: 200;
    font-size: 6em;
  }
}

SassMeister-output.css

@import url(http://fonts.googleapis.com/css?family=Roboto:400,500,300);
body {
  font-size: 15px;
}

.type.display4 {
  font-weight: 200;
  font-size: 6em;
}

SassMeister-rendered.html

<p class="type display4">Light 112sp</p>