Throw the old rulebook out the window. 1/28 Start with your color scheme. For a head-to-toe makeover, the first step is creating a palette. "I come up with a basic color scheme for the whole house, and then I take that from room to room," reveals Gary McBournie, a designer based in Boston. "It plays itself out in different ways in different rooms." 2/28 Fake height with low furniture. "Create strong verticals and avoid the horizontal," recommends designer Todd Romano. "I a