fieldset{
  border-style: solid solid solid solid;
  max-width: 500px;
}
legend{
  margin:0px;
  font-family: tahoma,arial,helvetica,sans-serif;
}
hr{
  border: 0;
  color: #D0D0D0;
  background-color: #E0E0E0;
  height: 1px;
}
body{
  font-family: tahoma,arial,helvetica,sans-serif;
}

.gallery{position: relative;}
.thumbnail img{border: 1px solid white; margin: 0 5px 5px 0;}
.thumbnail:hover{background-color: transparent;}
.thumbnail:hover img{border: 1px solid blue;}

.thumbnail span{
position: absolute;
background-color: #FFFFE0;
padding: 5px;
left: -1000px;
border: 1px dashed gray;
visibility: hidden;
color: black;
text-decoration: none;
}

.thumbnail span img{border-width: 0; padding: 2px;}
.thumbnail:hover span{visibility: visible; top: 0; left: 380px; z-index: 50;}