Photo by Johannes Plenio on Unsplash
Photo by Johannes Plenio on Unsplash

Bootstrap is an open-source frontend CSS framework maintained by Twitter. It provides cross-browser CSS for a basic responsive webpage layout with a number of popular features like sliders, nav bars, and grid layouts.


About the author


Karen Freeman-Smith lives near Portland, OR with her partner, two grown children (in and out of the basement), and a cat named Shiva. Karen maintains two personal websites as well as several topical websites about: Programming, Web Development, Foreign Languages, International Students, Fiction Writing, and Typing.
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