You can also set where the image is cropped by adding a crop position. Accepts crop-top-left, crop-top, crop-top-right, crop-left, crop-center, crop-right, crop-bottom-left, crop-bottom or crop-bottom-right. Default is crop-center, and is the same as crop.
Enabled or disabled lazy laod. You can also globally turn lazyload on and off
For more information about images read the bootstrap documention