/*
* Object Fit
* You can use object-fit and object-position to mimic similar functionality
* from background-image without having to use background images
* Supported everywhere except IE and Edge
* http://caniuse.com/#feat=object-fit
*/

img.cover{
	object-position: cover;
	object-position: 50% 50%;
}
Add note about using css 'object-fit' to mimic background-image
Add note about using css 'object-fit' to mimic background-image
