.yo a { 
display: block; 
width: 148px; 
height: 125px; 
background: transparent url(http://www.efraudprevention.com/images/back_wwh3.jpg) no-repeat; 
} 

.yo a:hover { 
background-position: -148px 0; 
} 


.yo2 a { 
display: block; 
width: 148px; 
height: 125px; 
background: transparent url(http://www.efraudprevention.com/images/ds/as_fraud_tactics_change.gif) no-repeat; 
} 

.yo2 a:hover { 
background-position: -148px 0; 
} 



.yo3 a { 
display: block; 
width: 162px; 
height: 216px; 
background: transparent url(http://www.efraudprevention.com/images/ds/compare_start2.gif) no-repeat; 
} 

.yo3 a:hover { 
background-position: -162px 0; 
} 


.yo4 a { 
display: block; 
width: 839px; 
height: 302px; 
background: transparent url(http://www.efraudprevention.com/images/lbc_top_case.gif) no-repeat; 
} 

.yo4 a:hover { 
background-position: -839px 0; 
} 


body { 
    margin: 0px;
    padding: 0; 
    font-family: "HelveticaNeue", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 100%;
    background-color: #;
background: #ffffff  url(http://www.efraudprevention.com/images/back_wwh5.jpg) center top repeat-x;
}