diff --git a/customize.dist/index.html b/customize.dist/index.html
index c9e09fd8a..272da59a2 100644
--- a/customize.dist/index.html
+++ b/customize.dist/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html class="cp">
 <head>
     <title data-localization="main_title">Cryptpad: Zero Knowledge, Collaborative Real Time Editing</title>
     <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
diff --git a/www/code/index.html b/www/code/index.html
index 9b7c92d88..20d978359 100644
--- a/www/code/index.html
+++ b/www/code/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html class="cp code">
 <head>
     <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
     <script data-main="main" src="/bower_components/requirejs/require.js"></script>
diff --git a/www/pad/index.html b/www/pad/index.html
index 13f0d2938..4c20dc803 100644
--- a/www/pad/index.html
+++ b/www/pad/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html class="cp pad">
 <head>
     <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
     <link rel="icon" type="image/png"
diff --git a/www/poll/test/index.html b/www/poll/test/index.html
index 6dd2381b0..9a95b071d 100644
--- a/www/poll/test/index.html
+++ b/www/poll/test/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html class="cp poll">
 <head>
     <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
@@ -76,11 +76,7 @@
             width: 50px;
         }
         #tableScroll {
-            overflow-x: auto;
-            margin-left: calc(30% - 50px + 29px);
-            max-width: 70%;
-            width: auto;
-            display: inline-block;
+            overflow-x: auto; margin-left: calc(30% - 50px + 29px); max-width: 70%; width: auto; display: inline-block;
         }
         #description[disabled] {
             resize: none;
diff --git a/www/slide/index.html b/www/slide/index.html
index f08782eb2..c14ef3041 100644
--- a/www/slide/index.html
+++ b/www/slide/index.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html class="cp slide">
 <head>
     <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
     <script data-main="main" src="/bower_components/requirejs/require.js"></script>
diff --git a/www/slide/inner.html b/www/slide/inner.html
index 91f83027b..64ae6e311 100644
--- a/www/slide/inner.html
+++ b/www/slide/inner.html
@@ -3,6 +3,8 @@
 <head>
     <meta content="text/html; charset=utf-8" http-equiv="content-type"/>
     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+
+    <link rel="stylesheet" href="/customize/main.css">
     <link rel="stylesheet" href="/bower_components/components-font-awesome/css/font-awesome.min.css">
     <script src="/bower_components/jquery/dist/jquery.min.js"></script>
     <script src="/bower_components/codemirror/lib/codemirror.js"></script>
@@ -133,7 +135,7 @@
 <!--    <textarea></textarea>-->
     <div id="cme_toolbox" class="toolbar-container"></div>
     <textarea id="editor1" name="editor1"></textarea>
-    <div id="modal">
+    <div id="modal" class="cp slide">
         <div id="content"></div>
     </div>
     <div id="nope"></div>
