The Justices let stand the rulings of the 10th, 7th, and 4th Federal Circuit Court of Appeals which OVERTURN State bans.
That is not a "ruling" in favor of States being able to ban Civil Marriage based on gender.
None of the dozen or so Judges (District or Appeals) was queer.
The judges represented a mixture of "liberal" and "conservative" judges appointed by both Democrat and Republican Presidents. Judges such as Posner, long considered to be a conservative judge in the 7th Circuit court and appointed by Ronald Reagan.