How to change compilation in gallpa?

Question

gulp.js

now

@media screen and (max-width: 780px) {
  .request {
  padding-top: 10px;
  }
}

@media screen and (max-width: 780px) {
  .block {
  margin: 20px;
  }
}

and before it was

@media screen and (max-width: 780px) {
  .request {
  padding-top: 10px;
  }

  .block {
  margin: 20px;
  }
}