##Polymer.IronFitBehavior
Polymer.IronFitBehavior fits an element in another element using max-height and max-width, and
optionally centers it in the window or another element.
The element will only be sized and/or positioned if it has not already been sized and/or positioned by CSS.
| CSS properties | Action |
|---|---|
position set |
Element is not centered horizontally or vertically |
top or bottom set |
Element is not vertically centered |
left or right set |
Element is not horizontally centered |
max-height or height set |
Element respects max-height or height |
max-width or width set |
Element respects max-width or width |