i like the low line of bookshelves that also gives you space for decor above 0 Living Room Layout Ideas: Place a Bookcase Behind Your Sofa
Inredning trend: grått IS the new black - Inredningsvis
This is a nice-looking living room with smaller rug. Perhaps the key is to frame the rug with sofas / sofa and armchair combo / sofa and the window. And another trick is to fill up the room so the size doesn't look awkward.