Justify the first new feature section

new_features-4.0.phtml

@@ -19,7 +19,7 @@
       <img class="featureimage"
          src="<?=$top_dir?>/images/4.0-release/trans-assoc.png"
          alt="[Transaction Association Dialog]"/>
-      <div class="center">
+      <div class="justify">
         <ul>
           <li><?php echo T_("A new <b>Transaction Association</b> dialog, available from the <b>Update Association for Transaction</b> menu item that has replaced the two association items in 3.x, allows setting, changing, and deleting associations.");?></li>
           <li><?php echo T_("A symbol (paperclip for files, chain links for URLS) is now displayed in the Associations column (visible in double-line mode) in the register in place of the letters when a transaction has an association. This doesn't work on MacOS.");?></li>