#divDettaglio{background-color: #333; position: absolute; top: 0px; left: 0px; z-index: 90; width: 100%;  padding-left: 20px;}
html > body #divDettaglio{position: fixed; top: 0px; left: 0px; bottom: 0px; right: 0px; z-index: 90;  padding-left: 0px;}

#dettaglio{background-color: #c33; position: absolute; top: 0px; left: 0px; z-index: 100; border: 1px #fff solid; text-align: center; }
html > body #dettaglio{position: fixed; top: 0px; left: -400px; z-index: 100; width: 800px; height: 500px; margin-top: 50px; margin-left: 50%; }

.Dettaglio{
    width: 800px;
    margin-left: 50%;
    position: relative;
    left: -400px;
    background-color: #c33;
    height: 500px;
    margin-top: 50px;
    border: 1px solid #fff;
}

.Dettaglio1{width: 400px; float: left;}
.Dettaglio2{width: 400px; float: left;}
.avantiIndietro{width: 45px; height: 440px;	float: left; margin-top: 50px; text-align: center;}
.dettagliLibretto{width: 310px; height: 440px; float: left; margin-top: 50px; text-align: center; vertical-align: middle;}
.menuLibretto{width: 15%; height: 440px; float: left; margin-top: 50px; text-align: right;}
.IBAvantiIndietro{position: relative; top: 200px;}
.IBChiudi{position: relative; top: 265px;}
.Menu{font-size: small; font-family: Verdana; font-weight: bold;}
.bottone{text-decoration: none; color: #ffffff; font-size: small; font-weight: bold;}
.intestazioneMenu{text-align: left;}
.sottoMenu{padding-top: 10px; padding-bottom: 10px; line-height: 2.5em; text-align: center;}