/* div de imagenes */
#imagen1 {
position: absolute;
top: 50%;
left: 50%;
width: 900px;
margin-left: -450px;
height: 518px;
margin-top:-259px;
background: #FFF;
visibility: hidden;
}

#imagen2 {
position: absolute;
top: 50%;
left: 50%;
width: 900px;
margin-left: -450px;
height: 518px;
margin-top:-259px;
background: #FFF;
visibility: hidden;
}

#imagen3 {
position: absolute;
top: 50%;
left: 50%;
width: 900px;
margin-left: -450px;
height: 518px;
margin-top:-259px;
background: #FFF;
visibility: hidden;
}

#imagen4 {
position: absolute;
top: 50%;
left: 50%;
width: 900px;
margin-left: -450px;
height: 518px;
margin-top:-259px;
background: #FFF;
visibility: hidden;
}

#imagen5 {
position: absolute;
top: 50%;
left: 50%;
width: 900px;
margin-left: -450px;
height: 518px;
margin-top:-259px;
background: #FFF;
visibility: hidden;
}

#imagen6 {
position: absolute;
top: 50%;
left: 50%;
width: 900px;
margin-left: -450px;
height: 518px;
margin-top:-259px;
background: #FFF;
visibility: hidden;
}

#imagen7 {
position: absolute;
top: 50%;
left: 50%;
width: 900px;
margin-left: -450px;
height: 518px;
margin-top:-259px;
background: #FFF;
visibility: hidden;
}