vertical-align with Bootstrap 3

Question

I\'m using Twitter Bootstrap 3, and I have problems when I want to align vertically two div, for example — JSFiddle link:

Answer 1

I've spent a lot of time trying solutions from here and none of them helped me. After a few hours, I belive this will allow u to center vert any child element in BS3.

CSS

.vertical-center {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

HTML