h1
{  font-family:Helvetica,sans-serif,Geneva,Arial; 
   font-size:10px;
}

h2
{  font-family:Arial,Geneva,Helvetica,sans-serif; 
   font-size:12px;
} 

h3
{  font-family:sans-serif,Arial,Geneva,Helvetica; 
   font-size:14px;
} 

h4
{  font-family:Arial,Helvetica,sans-serif,Geneva; 
   font-size:18px;
}