Änderungen
caching umgehen
.pov-production {
background-image: url(http://img2.wikia.nocookie.net/__cb20140416165155/memoryalpha/de/images/thumb/7/74/Article-type-pov-production.png/640px-Article-type-pov-production.png?1);
}
.pov-realworld {
background-image: url(http://img4.wikia.nocookie.net/__cb20140416165931/memoryalpha/de/images/thumb/4/40/Article-type-pov-realworld.png/640px-Article-type-pov-realworld.png?1);
}