I have been seeing a lot of MIT licensed projects, and have been using them constantly in a lot of my projects. As a part of my job, we use a design template called AdminLTE (https://github.com/almasaeed2010/AdminLTE) which is licensed under the MIT license. I love the template, but I dont like a lot of the parts of the theme. Like the default colours, the curved corners, the shadow, a few more.
So I am planning on forking the project and make it more cleaner according to me, and publish it back.
Now, the question is, the forked project should again only be a MIT ?? Can I make a GPL or AGPL Licensed ?
Also is the vice versa possible ? Taking an GPL license project, fork it and make it more permissive ? (According to me this is not possible, but curious ).
What would be the implications of such a license change
PS : I have no intention to take any free software and make it closed.