"Brown velvet curtains make a lovely and dramatic statement ... amount of natural light or to hang them extra wide around the window frame to ensure they don't block too much of the window ...

Brown suggests measuring at least 8-10inches from the sides of the window, if possible, so the curtains are wider than your actual windows. And as a rule of thumb for floor-length curtains ...

Adding curtains to your windows is one of the quicker and less expensive home-improvement projects: The only additional supplies you’ll need are a curtain rod and (maybe) a drill and a ladder.