Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v0.7.0)
// ----

%holder {
  color: green;
  &:hover {
    color: red;
  }
}
.class-1 {
  @extend %holder;
}

.class-2 {
  @extend .class-1;
}

SassMeister-output.css

.class-1, .class-2 {
  color: green; }
  .class-1:hover, .class-2:hover {
    color: red; }