Revert "Added DB package, updated LoginServlet"

This reverts commit 8da491e54590f02e7cd76b209e80e6d56f11263f.
Revert "Revert "Added DB package, updated LoginServlet""

This reverts commit 1d00afb28050eb6fa85737be176d31a62d90ba6f.
Created main .css file and began styling