Width ignored on flexbox items

Question

http://jsfiddle.net/XW9Se/

I\'ve set width: 200px; on the left

but if I view it with the browser inspector tool it appears that the

Answer 1

Remove the width on .container > div and use flex: auto; on #main: fiddle

#main {
   flex: auto; 
   background: lightblue; 
  -webkit-order: 2;
   order: 2;     
}