Bootstrap bottom navigation buttons

In an article on medium, Nick Babich, Editor-in-chief of UX Planet , advocates the usage of bottom buttons navigation : with bootstrap I have implemented an instagram like ui, which  displays a set of icons, each pointing to its own slider ruler. The idea is to work on various settings directly accessible from the scrollable bottom bar, leaving room above for live display of the image, in our case a 3D render of a model that is preconfigured.

DEMO HERE : https://bootsnipp.com/snippets/GajjV