Google's New Site Links

I found something quite interesting today while searching for our own site name: CrazyEngineers on Google 😀 . Let's face it - I like searching for our own website name. Usually, Google displays website links along with the domain name for most of the popular domains. However, today, I noticed a significant change in the way the site links are displayed on Google search results. It seems that the the GUI change is still in experimental stage as I don't get the same GUI every time I search for our site name. Here's how it looks -