#nav{
	height: 220px;
	clear: both;
	padding-top: 5%;
}
#home_img{
  margin:0% 0%;​} 
#about_the_book_img{
  margin:0% 0%;}​
#about_the_author{
  margin:0% 0%;}​
#testimonials_img{
  margin:0% 0%;}
#purchase_img{
	margin:0% 0%;}
#publications_img{
	margin:0% 0%;}