app/assets/stylesheets/components/_ui-image-zoom.sass
.ui-image-zoom-table
display: table
height: 100%
width: 100%
.ui-image-zoom-content
display: table-cell
text-align: center
vertical-align: middle
.ui-image-zoom-images
display: inline-block
height: 100%
width: 100%
img
height: auto
margin: 0 auto
width: 100%