Building with a grid has become an everyday requirement for front-end developers. Not only do grids provide a sense of rhythm and consistency in design, but when a well-known grid structure is used it provides a simple collective design language for cross–team work.
Someone wrote in to me asking how to create a simple bar navigation with icons. This is a pretty simple layout thing that could be accomplished loads of different ways. List items as inline-block probably makes the most sense in general.