def make_box_for_grid(image_widget, title, size=(250, 250)):
"""
Make a VBox to hold caption/image for demonstrating
option_fit values.
"""
modes = ['oblique', 'X', 'Y', 'Z']
# make layout
box_layout = Layout()
box_layout.width = f'{size[0]}px'
box_layout.height = f'{size[1]}px'
box_layout.border = '0px'
# Make the caption
if title is not None:
title_str = "'{}'".format(title)
else:
title_str = str(title)
h = HTML(value='' + str(title_str) + '')
# Make the box with the image widget inside it
boxb = Box()
boxb.layout = box_layout
boxb.children = [image_widget]
# Compose into a vertical box
vb = VBox()
vb.layout.align_items = 'center'
vb.children = [h, boxb]
return vb
