a.A5{
background-image:url(../img/5_studien/5A.png);
display: block;
width: 297px;
height: 297px;
}
a.A5:hover {
background-image:url(../img/5_studien/5A_Text.png);
}

a.B5 {
background-image:url(../img/5_studien/5B.png);
display: block;
width: 297px;
height: 297px;
}
a.B5:hover {
background-image:url(../img/5_studien/5B_Text.png);
}

a.C5 {
background-image:url(../img/5_studien/5C.png);
display: block;
width: 297px;
height: 297px;
}
a.C5:hover {
background-image:url(../img/5_studien/5C_Text.png);
}

a.D5 {
background-image:url(../img/5_studien/5D.png);
display: block;
width: 297px;
height: 297px;
}
a.D5:hover {
background-image:url(../img/5_studien/5D_Text.png);
}

a.E5 {
background-image:url(../img/5_studien/5E.png);
display: block;
width: 600px;
height: 297px;
}
a.E5:hover {
background-image:url(../img/5_studien/5E_Text.png);
}