Permanently* Change the Bootstrap theme

* for one year

• use 'Darkstrap' style
• use 'Flat-UI' style
• use default 'Bootstrap' style

Temporarily change the Bootstrap theme

• view 'Darkstrap' style
• view 'Flat-UI' style
• view default 'Bootstrap' style

Permanently* Change the core Bootstrap css framework

* for one year

• use PmWikiKit-Compass style
• use default 'Bootstrap' style

Temporarily change the core Bootstrap css framework

• view PmWikiKit-Compass style
• view default 'Bootstrap' style