.slide_inside{
	height: 1000px;
}
div{
	-webkit-background-size: cover;
	background-size: cover;
	background-attachment: fixed;
}
#slide1 {
   background-image: url(slide1-bg.jpg);
}

#slide2 {
   background-image: url(slide2-bg.jpg);
}

#slide3 {
   background-image: url(slide3-bg.jpeg);
}