diff --git a/html/admin.php b/html/admin.php
index 26ac07bc..e9495a11 100644
--- a/html/admin.php
+++ b/html/admin.php
@@ -15,6 +15,7 @@ if($_SESSION['role'] < 3) {
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
 </head>
diff --git a/html/compte.php b/html/compte.php
index f4642b79..58a8033c 100644
--- a/html/compte.php
+++ b/html/compte.php
@@ -28,6 +28,7 @@ if(isset($_POST['delete_account'])) {
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
 </head>
diff --git a/html/editpage.php b/html/editpage.php
index 457216d8..5069f280 100644
--- a/html/editpage.php
+++ b/html/editpage.php
@@ -61,6 +61,7 @@ if(isset($fichier)) {
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
     <style>
diff --git a/html/index.php b/html/index.php
index 1e2ba409..a7712a6e 100644
--- a/html/index.php
+++ b/html/index.php
@@ -9,6 +9,7 @@ require "../include/functions.php";
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
 </head>
diff --git a/html/login.php b/html/login.php
index 658b2aa4..e4607dd3 100644
--- a/html/login.php
+++ b/html/login.php
@@ -40,6 +40,7 @@ if(isset($_POST['username']) && isset($_POST['password'])) {
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
 </head>
diff --git a/html/news.php b/html/news.php
index 9430f291..3154f7e7 100644
--- a/html/news.php
+++ b/html/news.php
@@ -14,6 +14,7 @@ if (filter_var($_GET['article'], FILTER_VALIDATE_INT)) {
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
 </head>
diff --git a/html/register.php b/html/register.php
index f96a348b..51e870e2 100644
--- a/html/register.php
+++ b/html/register.php
@@ -40,6 +40,7 @@ if(isset($_POST['username']) && isset($_POST['password']) && isset($_POST['passw
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
 </head>
diff --git a/html/upload.php b/html/upload.php
index a281793a..d1b22923 100644
--- a/html/upload.php
+++ b/html/upload.php
@@ -38,6 +38,7 @@ if(isset($_POST['page-content'])) {
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
     <style>
diff --git a/html/users.php b/html/users.php
index 420c92ac..ab29d829 100644
--- a/html/users.php
+++ b/html/users.php
@@ -29,6 +29,7 @@ if(isset($_POST['userid']) && isset($_POST['role']) && isset($_POST['accreditati
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <link rel="stylesheet" href="./src/css/style.css">
+    <style>.body {<?=$theme?>}</style>
     <link rel="icon" href="src/img/favicon.ico">
     <title><?=$title?></title>
 </head>