.page_index {
position:relative;	
width:100%;	
xbackground-color:#0000ff;
}



@media screen  and (max-width: 1600px) {


} /*end w1600*/
@media screen  and (max-width: 1350px) {


} /*end w1200*/
@media screen  and (max-width: 1200px) {


} /*end w1200*/
@media screen  and (max-width: 1080px) {


} /*end w1080*/

@media screen  and (max-width: 960px) {


} /*end w960*/

@media screen  and (max-width: 800px) {


} /*end w800*/
@media screen  and (max-width: 640px) {


} /*end w640*/
@media screen  and (max-width: 480px) {


} /*end w480*/
@media screen  and (max-width: 320px) {


} /*end w320*/