Spring has officially sprung, which means one thing: Pool season is so close, we can practically smell the chlorine. But before you slather on the SPF and do your inaugural cannonball, why not turn your watering hole into a well-designed outdoor destination? Chic umbrellas and cozy chaise lounges might be two easy ways to dress up your backyard, but if you want to take your setup to the next level, some people are using bright tiles and paints to transform their pool floors into maximalist moments.