Here are some design notes when it comes to modern pergola designs. The most common pergola design is to have decorative and somewhat rounded ends on the beam. The easiest way of creating a more modern pergola is to do away with the decorative ends.
Gallery of Santa Ynez House / Fernau + Hartman Architects - 14
Here's a great example of how you can use a pergola to create an outdoor dining room. The cozy space features lighting, an easy-to-clean brick floor, and room for plenty of seating. It's all done over a simple brick-and-paver patio