Hi Alin,

i used this Code and some css to get this. link is

-> http://thatpedia.com/0502-3560/

<?php

global $multipage, $numpages, $page ;

if( $multipage && $page == $numpages ) {

echo “<div class=’next-back’><div class=’next’>”;

previous_post_link(‘%link’, ‘NEXT’, TRUE);

echo “</div></div>”; }

$args = array(

‘before’ => ‘<div class=”next-back”>’,

‘after’ => ‘</div>’,

‘link_before’ => ”,

‘link_after’ => ”,

‘next_or_number’ => ‘next’,

‘nextpagelink’ => __(‘<div class=”next”>NEXT</div>’),

‘previouspagelink’ => __(‘<div class=”prev”>BACK</div>’),

‘pagelink’ => ‘%’,

‘more_file’ => ”,

‘echo’ => 1 ); ?>

<?php

wp_link_pages( $args );

?>