body {
      background: #000000;
      background-image: url(./exhibition/image/);
      color: #ffffff;
      background-repeat: repeat;
      background-position: center top;
      background-attachment: fixed;
}
a {
color: #ffffff;
}
a:hover {
color: #f8f8ff;
}
a:focus, a:active {
color: #cccc99;
background: transparent;
font-style: italic;
}   
.opacityit img{
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=40);
-moz-opacity: 0.4;
}

.opacityit:hover img{
filter:progid:DXImageTransform.Microsoft.Alpha(opacity=100);
-moz-opacity: 1;
}