The typical American home has increased in size over the years, and, with this shift, the backyard has subsequently shrunk. Although it varies by state, the average yard in the United States is now around a quarter-acre, making anything less, by definition, smaller than average. However, working with less square footage doesn’t mean you have to do less when it comes to your renovation. Below are four ways you can upgrade your small outdoor space and guarantee a welcoming and relaxing environment that suits your needs. 1. CREATE AN ILLUSION. You may already be familiar with the idea that adding height gives the impression of more space. This principle is often used in interior decora…