Inconsistent size of images on project_contributors

[LalitNM]

Image size on https://pc.iitmandi.co.in/project_contributors is not consistent (on small-screened devices).

How to reproduce:

• go to https://pc.iitmandi.co.in/project_contributors

• resize window

• See inconsistent sized images.

Expected behaviour

All images should have same size.

Screenshot:

[metavinayak]

Working on it.

[metavinayak]

Done.
Pls verify: 8643b38