.index_pbg {
	background-attachment: fixed;
	background-image: url(images/index_pbg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}
.about_bg {
	background-attachment: fixed;
	background-image: url(images/earth.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}
.words {
	line-height: 25px;
}
.contactbg {
	background-attachment: fixed;
	background-image: url(images/contact_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
}