.referenzobjekt {
    display: inline-block;
    width: calc(25% - 21px);
    background-color: #fcfcfc;
    border: 1px solid #767676;
    margin-left: 8px;
    margin-right: 8px;
    margin-bottom: 16px;
    overflow: hidden;
    vertical-align: top;
    min-height: 600px;
}
.referenzobjekt .bildrahmen {
    width: 100%;
    line-height: 150%;
}
.referenzobjekt .daten {
    display: block;
    padding: 8px;
}
.referenzobjekt .daten .titel {
    font-size: 20px;
    margin-bottom: 16px;
    height: 90px;
    overflow: hidden;
}
.referenzobjekt .daten .block {
    display: inline-block;
    vertical-align: top;
    margin-right: 32px;
    margin-bottom: 16px;
    color: #767676;
}
.referenzobjekt .daten .einzelzeile {
    display: block;
}
.referenzobjekt .daten .block div {
    font-size: 18px;
    font-weight: bold;
    color: #000000;
}
@media all and (max-width: 1300px){
    .referenzobjekt {
        width: calc(50% - 21px);
    }
}
@media all and (max-width: 600px){
    .referenzobjekt {
        display: block;
        width: auto;
        padding-left: 0px;
        padding-right: 0px;
    }
}



.iframe_referenzen {
    height: 800px;
    width: 100%;
    display: block;
}

@media all and (max-height: 900px){
    .iframe_referenzen {
        height: 500px;
    }
}



.iframe_musterexpose {
    height: 800px;
    width: 100%;
    display: block;
}

@media all and (max-height: 900px){
    .iframe_musterexpose {
        height: 500px;
    }
}