diff --git a/index.html b/index.html
index 54a2820..95a0723 100755
--- a/index.html
+++ b/index.html
@@ -5,10 +5,12 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Prog Web Legend</title>
     <script> alert("click")</script>
+    <link rel="stylesheet" href="" id="link-css">
 </head>
 <body>
     <script src="./js/intro.js" deref></script>
     <script src="./js/element.js"></script>
+    <script src="./js/technologie.js"></script>
     <div id="divButton_score">
 
     </div>
diff --git a/js/technologie.js b/js/technologie.js
index 6c58b0b..32e22ad 100644
--- a/js/technologie.js
+++ b/js/technologie.js
@@ -7,7 +7,7 @@ class Technologie{
         fetch("../bdd/arbre.json").then((data)=>{
             data.json().then((data)=>{
                 console.log(data)
-                this.props = data[this.nom]
+                this.props = data["technologies"][this.nom]
                 this.cout = this.props.cout
                 this.boost = this.props.boost
             })
@@ -15,4 +15,9 @@ class Technologie{
         })
     }
 
+    appliquer_amelioration_style(){
+        document.getElementById("link-css").setAttribute("href","css/"+this.props.css_id)
+    }
+
+
 }
\ No newline at end of file
