Generated by SassMeister.com.

SassMeister-input.scss

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

// current
.feed {
  
  a {
    &:before {
      color:green;
    }
  }
  
  &__item--has-video &__item-image a {
    color: blue;
  }
  
  &__item--gallery &__item-image a {
    color:red;
  }
}

// suggested
.feed_two {
  &__item--has-video .feed__item-image a {
    color: blue;
  }
  
  &__item--gallery .feed__item-image a{
    color:red;
  }
}

SassMeister-output.css

.feed a:before {
  color: green;
}

.feed__item--has-video .feed__item-image a {
  color: blue;
}

.feed__item--gallery .feed__item-image a {
  color: red;
}

.feed_two__item--has-video .feed__item-image a {
  color: blue;
}

.feed_two__item--gallery .feed__item-image a {
  color: red;
}