diff --git a/like_mybb_bT4CK-theme.xml b/like_mybb_bT4CK-theme.xml
index 7305a6095b9e748bec7204004a7aa451357027bb..0f617f4660d864fa1b61934f52da3cbebcdf88f6 100644
--- a/like_mybb_bT4CK-theme.xml
+++ b/like_mybb_bT4CK-theme.xml
@@ -193,8 +193,7 @@ font-size: calc(16px + (24 - 16)*(100vw - 320px)/(1920 - 320));
 
 		]]>
 		</stylesheet>
-		<stylesheet name="refurb_theme.css" version="1829"><![CDATA[
-.navbar.navbar-expand-xl .navbar-collapse .navbar-nav {
+		<stylesheet name="refurb_theme.css" version="1829"><![CDATA[.navbar.navbar-expand-xl .navbar-collapse .navbar-nav {
  
 	align-items:baseline;
 }
@@ -375,7 +374,43 @@ element.style {
 line-height : unset;
 }
 
-]]>
+.scrollToTop {
+background: #047fd075;
+    color: white;
+    position: fixed;
+    z-index: 4000;
+    bottom: 132px;
+    right: 20px;
+    border-radius: 2px;
+    padding: 0px 11px;
+    cursor: pointer;
+    display: block;
+    font-size: 18px;
+    border-radius: 50%;
+}
+
+.scrollToDown {
+background: #047fd075;
+    color: white;
+    position: fixed;
+    z-index: 4000;
+    bottom: 89px;
+    right: 20px;
+    border-radius: 2px;
+    padding: 0px 11px;
+    cursor: pointer;
+    display: block;
+    font-size: 18px;
+    border-radius: 50%;
+}
+
+.linkthemeck {
+	flex: auto; 
+	position: relative; 
+	padding-right: 57px; 
+	align-items: center; 
+	top: 0px;
+}]]>
 		</stylesheet>
 		<stylesheet name="site.css" version="1829"><![CDATA[article, aside, details, figcaption, figure, footer, header, hgroup, nav, section { display: block; }
 audio, canvas, video { display: inline-block; *display: inline; *zoom: 1; }
@@ -5564,6 +5599,14 @@ This is free software, support us and we'll support you. -->
 			</span>
 		</div>
 	</div>
+<!-- Scroll up down-->
+	<div style="display: block;" class="scrollToTop">
+		<i class="fa fa-angle-up"></i>
+	</div>
+	<div class="scrollToDown">
+		<i class="fa fa-angle-down"></i>
+	</div>
+<!-- end Scroll up down-->
 </div>
 <!-- The following piece of code allows MyBB to run scheduled tasks. DO NOT REMOVE -->{$task_image}<!-- End task image code -->
 {$auto_dst_detection}
@@ -6296,6 +6339,30 @@ $(".forumjump").on('change', function() {
 	var spinner = "<img src='" + spinner_image +"' alt='' />";
 	var modal_zindex = 9999;
 	// -->
+</script>
+<script>
+	//bouton scrolling 
+	$(document).ready(function(){
+	//Check to see if the window is top if not then display button
+	$(window).scroll(function(){
+		if ($(this).scrollTop() > 100) {
+			$('.scrollToTop').fadeIn();
+		} else {
+			$('.scrollToTop').fadeOut();
+		}
+	});
+	
+	//Click event to scroll to top
+	$('.scrollToTop').click(function(){
+		$('html, body').animate({scrollTop : 0},800);
+		return false;
+	});
+	
+	$('.scrollToDown').click(function(){
+		$('html, body').animate({scrollTop:$(document).height()},800);
+		return false;
+	});
+});
 </script>]]></template>
 		<template name="header_menu_calendar" version="1829"><![CDATA[<li><a href="{$mybb->settings['bburl']}/calendar.php" class="calendar" title="{$lang->toplinks_calendar}">{$lang->toplinks_calendar}</a></li>]]></template>
 		<template name="header_menu_memberlist" version="1822"><![CDATA[<li><a href="{$mybb->settings['bburl']}/memberlist.php" class="memberlist">{$lang->toplinks_memberlist}</a></li>]]></template>
@@ -6432,6 +6499,13 @@ $(".forumjump").on('change', function() {
 	<td class="trow1" colspan="2">{$lang->failed_login_wait}</td>
 </tr>]]></template>
 		<template name="header_welcomeblock_member" version="1829"><![CDATA[<div class="nav navbar-nav">
+	<div class="linkthemeck">
+		<a href="index.php?action=xtheme&style=62" title="White" rel="noreferrer"> <i class="fas fa-adjust" style="color:#fff"></i></a>
+		<a href="index.php?action=xtheme&style=63" title="Dark" rel="noreferrer"> <i class="fas fa-adjust" style="color:#000"></i></a>
+		<a href="index.php?action=xtheme&style=64" title="Blue" rel="noreferrer"> <i class="fas fa-adjust" style="color:#419bff"></i></a>
+	</div>
+</div>
+<div class="nav navbar-nav">
 	<div class="nav-item dropdown dropleft">
 		<a class="navbar-brand dropdown-toggle collapsed" href="#ckm1-14" data-toggle="collapse" aria-haspopup="true" aria-expanded="false" title="Bienvenue {$mybb->user['username']} - {$lang->welcome_usercp} "><img src="{$mybb->user['avatar']}" onerror="if (this.src != 'images/default_avatar.png') this.src = 'images/default_avatar.png';" class="avatarmenu"  alt="you" title="you"></a>
 		<div class="dropdown-menu collapse" id="ckm1-14" style="" >