p.thumb{ 
    float:left; 
    margin:.5em 0; 
    margin-right:10px; 
    border:1px solid #999; 
    padding:2px; 
} 
p.thumb a{ 
    display:block; 
    float:left; 
    width:180px; 
    height:180px; 
    line-height:100px; 
    overflow:hidden; 
    position:relative; 
    background:BFBFBF;
    z-index:1; 
} 
p.thumb a img{ 
    float:left; 
    position:absolute; 
    top:2px; 
    left:2px; 
} 

/* mouse over */ 

p.thumb a:hover{ 
    overflow:visible; 
    z-index:1000; 
    border:none; 
} 
p.thumb a:hover img{ 
    border:1px solid #999; 
    background:#fff; 
    padding:2px; 
} 

/* // mouse over */