Remove unnecessary inline styles on reset button.

ItemOrderPlugin.php

@@ -178,7 +178,7 @@ public function hookAdminCollectionsShow($args)
 <h2>Item Order</h2>
 <p><a href="<?php echo url('item-order', array('collection_id' => $collection->id)); ?>">Order items in this collection.</a></p>
 <form action="<?php echo url('item-order/index/reset-order', array('collection_id' => $collection->id)); ?>" method="post">
-    <input type="submit" name="item_order_reset" value="Reset items to their default order" style="float: none; margin: 0;" />
+    <input type="submit" name="item_order_reset" value="Reset items to their default order" />
 </form>
 </div>
 <?php