The room size should normally receive attention in order to keep it looking neat and clean. In order to view the room still fits with room to another, then a fairly simple way is by installing a curtain patterned quite beautiful, like a flower pattern, for example.
The size of the curtain 50cm x 50cm usually with placement at the window. Generally all sizes for a window or door curtain is almost the same, especially the colors used.
Usually some of the colors used are white mixed with yellow or red, depending on the surrounding interior. How to rather large room? Of course this should be accompanied with the right size on the curtain.