Style changes and html fixes

src/tjts5901/auth.py

src/tjts5901/static/Winter.jpg

src/tjts5901/static/styles.css

src/tjts5901/templates/auth/login.html

src/tjts5901/templates/auth/register.html

src/tjts5901/templates/base.html

src/tjts5901/templates/listBid.html

src/tjts5901/templates/view.html