How to solve the problem with FlexBox IE11?

Question

Flexbox

Good afternoon.
There is a test site .
Planted on flexbox. Everywhere everything is fine, but in IE ... it's tough. Everything collapses, the blocks are not normally rebuilt. Tell me how to be? I tried to set the maximum width for the parent blocks - it did not help (

Answer 1

Yes, it seems to be all right.
In head add

<meta http-equiv="X-UA-Compatible" content="IE=edge">