Created by: bassjobsen
Please notice that many fixes are required for the issue already described at https://github.com/twbs/bootstrap/pull/17756.
There is also an issue for the sidebar with position: fixed in a flexbox item having now width, see also /* see http://stackoverflow.com/questions/34344623/fixed-position-element-inheriting-width-of-flex-item */
Solved for by:
width: calc(100% * (3/12));
@media (min-width: 768px) {
.nav-sidebar {
width: calc(100% * (2/12));
}
} Code only tested on FF and Chrome