.pics {  
    width:   279px;  
    height:  175px;  
    padding: 0;  
    margin:  0;  
    z-index: 0;
} 
 
.pics img {  
    padding: 0px;  
    border:  0px solid #000000;  
    background-color: #eee;  
    width:  279px; 
    height: 175px; 
    top:  0; 
    left: 0 
}

.pics2 {  
    width:   550px;  
    height:  350px;  
    padding: 0;  
    margin:  0;  
    z-index: 0;
	
} 
 
.pics2 img {  
    padding: 0px;  
	border:  1px solid #000000;  
    background-color: #eee;  
    width:  550px; 
    height: 350px; 
    top:  0; 
    left: 0 
}