Generated by SassMeister.com.

SassMeister-input-HTML.html

<div class="person">
  <div class="person__body"></div>
  <div class="person__image"></div>
</div>

SassMeister-input.scss

// ----
// Sass (v3.3.0.rc.3)
// Compass (v1.0.0.alpha.18)
// ----

%media {
  > [class*=__body] {
    float: left;
  }
  > [class*=__image] {
    float: right;
  }
}

.person {
  @extend %media;
}

SassMeister-output.css

.person > [class*=__body] {
  float: left;
}
.person > [class*=__image] {
  float: right;
}

SassMeister-rendered.html

<div class="person">
  <div class="person__body"></div>
  <div class="person__image"></div>
</div>