Bug in height and width settings

Height and width settings not displaying properly in WordPress Twenty Sixteen theme. Running php 7.1

Code as provided by SU plugin:
[su_custom_gallery source=”media: 65794,65783,65775″ width=”230″ height=”240″]

Here is what a test example of images look like in Preview mode in Shortcodes Ultimate:
Preview button display of images

This is what the images actually look like in the wordpress theme:
How images look when published in wordpress