body 
{
   background-attachment:fixed;
}

.main 
{
   padding: 1% 7%; 
   color: black; 
   font-family: "VPS Quang Duc";
   font-size: 14pt; 
   text-align: justify;
} 

.on
{
   font-family: "VPS Quang Duc";
   font-size: 16pt;
   font-style: italic;
   text-decoration: none;
   color: green;
}
.off 
{
   font-family: "VPS Quang Duc";
   font-size: 16pt;
   font-style: italic;
   text-decoration: none;
   color: brown;
}