body {font-family: Arial, Helvetica, Verdana, sans-serif; font-size: 12px;} 
.style1 {font-family: Arial, Helvetica, Verdana, sans-serif; font-size: 10px;} 
.style2 {font-family: Arial, Helvetica, Verdana, sans-serif; font-size: 11px;} 
.style3 {font-family: Arial, Helvetica, Verdana, sans-serif; font-size: 12px;} 
.style4 {font-family: Arial, Helvetica, Verdana, sans-serif; font-size: 13px;} 
.style5 {font-family: Arial, Helvetica, Verdana, sans-serif; font-size: 14px;}