You're not imagining it, Facebook's 'Like' button is different

It's not just you, Facebook's "Like" button has a new look. 
The iconic button has been given a redesign that's still slowly making its way to all users. Instead of the previous solid-gray look, the new "Like" is now mostly white with a gray outline. The comment button has been given a similar treatment as well.
SEE ALSO: You might want to rethink what you're 'liking' on Facebook now
Here's what the two look like side-by-side. Image:mashable compositeThe gray outline fills out in blue,