Revert "add user in student"

This reverts commit aa75afbdd4c1d1043fc4d251f5d5073e8736fb0b.
Revert "change database"

This reverts commit 8222e2bff0273891c59a3d586ffb562ed5460ca4.
add user to student
add givenVIPtime
push heroku
givenVIPtime
calculate fail
select_tag
full screen
change to 2
broadcast center
why it looks like shit!!!!
Revert "why it looks like shit!!!!"

This reverts commit b6d105b2baec81d44679cd9e731c3cef561ffb40.
still looks different
Revert "still looks different"

This reverts commit 5c6b4168ca9db719858d37b754814a55f35b201b.