.gallery 
{
}
.gallery .thumb 
{
    float:left;
    margin-right:6px;
    margin-bottom:8px;
    height:100px;
    padding:2px;
    background-color:#FFFFFF;
    border:1px solid #ccc;
}
.gallery .thumb:hover 
{
    border:1px solid #000;
}
.gallery .thumb a 
{
    display:block;
    height:100px;
    overflow:hidden;    
}