Bootstrap 3 modal vertical position center

Question

This is a two part question:

1. How can you position the modal vertically in the center when you don\'t know the exact height of the modal?

2. Is

Answer 1

Very very easy way to achieve this concept and you will get modal always in the moddle of your screen by css as fllow : http://jsfiddle.net/jy0zc2jc/1/

you have to just modal class display as table by following css:

display:table

and modal-dialog as display:table-cell

see full working example in given fiddle