For example: I have a simple styles in flex, located in HEAD ... /HEAD. And at least simple markup. [http://codepen.io/anon/pen/LxQNgb](url) And... Not working. IE 10+  IE 9  Why not work with even the simplest flex?
For example:
I have a simple styles in flex, located in HEAD ... /HEAD. And at least simple markup.
http://codepen.io/anon/pen/LxQNgb
And... Not working.
IE 10+
IE 9
Why not work with even the simplest flex?