body  {
}

.dunja {
background-image:url(http://www.ramonaundoli.de/pic/dunja.jpg);
background-repeat:no-repeat;
background-position:center;
}

.jannick {
background-image:url(http://www.ramonaundoli.de/pic/jannick.jpg);
background-repeat:no-repeat;
background-position:center;
}

.saskia {
background-image:url(http://www.ramonaundoli.de/pic/saskia.jpg);
background-repeat:no-repeat;
background-position:center;
}