Fix "shaking" effect that nav-bar causes when is affixed on top.
Fix "shaking" effect that nav-bar causes when is affixed on top.

django-admin-bootstrap/django-admin-bootstrap,piha/django-admin-bootstrap,piha/django-admin-bootstrap,django-admin-bootstrap/django-admin-bootstrap,ajakubo1/django-admin-bootstrap,elsapet/django-admin-bootstrap,ajakubo1/django-admin-bootstrap,elsapet/django-admin-bootstrap