HI all,

Parallax scrolling is very popular now days in website making. it is not very difficult you just have to understand some basic method to use it.

Below is an example which will shows you how it works.

HTML:-

<section class="mainWrap">
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
    <div></div>
</section>

CSS:-

.mainWrap div{height: 300px;}
    div{background: url("http://www.rtcc.org/files/2012/10/bigstock-nature-pathway-in-the-forest-cropped1.jpg") no-repeat fixed center top;}
    div:nth-child(2){background: url(http://freephotos.atguru.in/hdphotos/best-cover-photos-of-nature/facebook-cover-nature-cover-600x300.png)  no-repeat fixed center top;;}
    div:nth-child(3){background: url(http://enpundit.s3.amazonaws.com/wp-content/uploads/2011/11/nature-design-gardens.jpg)  no-repeat fixed center top;; }
    div:nth-child(4){background: url(http://2.bp.blogspot.com/-DMOPikA5xmg/UKjd0wA7iWI/AAAAAAAATU0/C60C35k8IQ8/s1600/halong-bay-vietnam.jpg)  no-repeat fixed center top;;}
    div:nth-child(5){background: url(http://www.mayrhofen.at/picture/10001745.jpg)  no-repeat fixed center top;;}
    div:nth-child(6){background: url(http://www.thedailyriff.com/nature.abstract.jpg)  no-repeat fixed center top;;}

output:-

Trick behind parallax scrolling :-

You need to add background-attachment:fixed