.main_box{
    background-size: cover;}
@media screen and (min-width: 1401px) and (max-width: 2000px) {
.page-nav{
margin-top: 1%;}

}

@media screen and (min-width: 2001px) and (max-width: 2560px) {
.page-nav{
margin-top: 4%;}

}

@media screen and (min-width: 2561px) and (max-width: 2800px) {
.page-nav{
margin-top: 8%;}

}

@media screen and (min-width: 2801px) and (max-width: 4790px) {
.page-nav{
margin-top: 12%;}

}
@media screen and (min-width: 4791px) and (max-width: 5500px) {
.page-nav{
margin-top: 15%;}

}
/*css*/
#vsb_content_2{
 overflow-y: auto;
        padding: 0px 10px;}
@media screen and (max-width: 1400px) {
#vsb_content_2{
 overflow-y: auto;
    height: auto;
    padding: 0px 10px;}
}
@media screen and (min-width: 1401px) and (max-width: 2000px) {
#vsb_content_2{
 overflow-y: auto;
    height: auto;
    padding: 0px 10px;
    max-height:1600px;}
}
@media screen and (min-width: 2001px) and (max-width: 2560px) {
#vsb_content_2{
 overflow-y: auto;
    height: auto;
    padding: 0px 10px;
    max-height:2000px;}
}