.chemistry2 {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 16px;
	color: #006666; 
	z-index: 25;
	clip:  rect(   );
	a:link       { color: #008080 }


}
.menu {  font-family: Arial, Helvetica, sans-serif; font-size: 20px; color: #FFCC00}
.menu2 {  font-family: Arial, Helvetica, sans-serif; font-size: 16px; color: #FFCC00}
.head {  font-family: Arial, Helvetica, sans-serif; font-size: 30px; font-weight: bold; color: #FFCC00}
.part {  font-family: Arial, Helvetica, sans-serif; font-size: 20px; font-weight: bold; color: #FF9900}
.chemistry3 {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 14px;
	
}
.chemlarge {
	font-family: Arial, Helvetica, sans-serif;
	font-size: 24px;
}
.symbol {
	font-family: Symbol;
}

.menu3 {font-size: 18px}