Update app.py

app.py

@@ -11,8 +11,22 @@ body, html {
     height: 100%;
     margin: 0;
     font-family: Arial, Helvetica, sans-serif;
+    position: relative;
+}
+body::before {
+    content: "";
+    background-image: url('favicon.jpg');
+    background-size: cover;
+    background-repeat: no-repeat;
+    background-attachment: fixed;
+    opacity: 0.5;  /* Ajustez l'opacité ici pour la transparence */
+    top: 0;
+    left: 0;
+    bottom: 0;
+    right: 0;
+    position: absolute;
+    z-index: -1;  /* Placez l'image derrière le contenu */
 }
-
 h1 {
     background: radial-gradient(circle, red, black);
     -webkit-background-clip: text;