#modal-background {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    opacity: .50;
    -webkit-opacity: .5;
    -moz-opacity: .5;
    filter: alpha(opacity=50);
    z-index: 1000;
}
#modal-content {
    text-align:center;
    display: none;
    height: 60px;
    left: 50%;
    margin: -120px 0 0 -160px;
    padding: 10px;
    position: fixed;
    top: 50%;
    width: 320px;
    z-index: 1000;
}
#modal-background.active, #modal-content.active {
    display: block;
}
 #example {
    min-height:500px;
}
        
.armchair {
    float: left;
    margin: 20px 30px;
    text-align: center;
}
        
.armchair img {
    display: block;
    margin-bottom: 10px;
}

.popup-content {
    margin: 20px 30px;
}

.popup-content-center {
    text-align: center;
}

div#details-container {
    height: 110px;
    font-size: 0.96em;
    font-family: "Segoe UI", Verdana, Helvetica, Sans-Serif;
}