diff --git a/main/templates/scan.html b/main/templates/scan.html
index 3bb3e83..ec517cd 100644
--- a/main/templates/scan.html
+++ b/main/templates/scan.html
@@ -1,29 +1,6 @@
 {% extends 'base.html' %}
 {% block content %}
 {% load static %}
-<style>
-    #reader {
-        position: relative;
-    }
-
-    #reader::after {
-        position: absolute;
-        top: 50%;
-        left: 50%;
-        width: min(250px, calc(100% - 20px));
-        aspect-ratio: 1;
-        border: 2px solid #fff;
-        box-sizing: border-box;
-        content: '';
-        pointer-events: none;
-        transform: translate(-50%, -50%);
-        z-index: 10;
-    }
-
-    #reader.qr-detected::after {
-        border-color: rgb(90, 193, 56);
-    }
-</style>
 <div class="container-fluid mt-4">
     <div class="row">
          <div class="col-12">
@@ -172,16 +149,14 @@ document.addEventListener('DOMContentLoaded', function() {
     const reader = document.getElementById('reader');
     if (!reader) return;
 
-    html5Qrcode = new Html5Qrcode('reader', {
-        formatsToSupport: [Html5QrcodeSupportedFormats.QR_CODE]
-    });
+    html5Qrcode = new Html5Qrcode('reader');
     Html5Qrcode.getCameras().then(cameras => {
         camerasAvailable = cameras || [];
         if (camerasAvailable.length) {
             currentCameraId = camerasAvailable[0].id;
             html5Qrcode.start(
                 currentCameraId,
-                { fps: 15, qrbox: 250 },
+                { fps: 10, qrbox: 250 },
                 onScanSuccess
             );
         }
@@ -202,7 +177,7 @@ document.addEventListener('DOMContentLoaded', function() {
                         currentCameraId = cam.id;
                         html5Qrcode.start(
                             currentCameraId,
-                            { fps: 15, qrbox: 250 },
+                            { fps: 10, qrbox: 250 },
                             onScanSuccess
                         );
                     });
@@ -220,11 +195,6 @@ function getCourseIdFromUrl() {
 }
 function onScanSuccess(decodedText, decodedResult) {
     console.log('Scan détecté :', decodedText, 'Course:', getCourseIdFromUrl());
-    if (decodedResult) {
-        const reader = document.getElementById('reader');
-        reader.classList.add('qr-detected');
-        setTimeout(() => reader.classList.remove('qr-detected'), 350);
-    }
     if (decodedText === lastScanned || window.scanDebounce) return;
     window.scanDebounce = true;
     lastScanned = decodedText;