Update app.py

app.py

@@ -217,7 +217,7 @@ def index():
 
         .title-bubble {
             width: 100%;
-            max-width: 64rem;
+            max-width: 100%;
             padding: 0 1rem;
         }
 
@@ -295,13 +295,13 @@ def index():
         }
 
         .chat-container {
-            max-width: 64rem;
-            margin: 0 auto;
-            padding: 0 1rem;
-            padding-bottom: 8rem;
-            flex: 1;
-            overflow-y: auto;
-            height: calc(100vh - 300px);
+        width: 100%;
+        margin: 0;
+        padding: 0 1rem 8rem 1rem;
+        flex: 1;
+        overflow-y: auto;
+        height: calc(100vh - 300px);
+        
         }
 
         .welcome-screen {
@@ -471,7 +471,7 @@ def index():
         }
 
         .input-container {
-            max-width: 64rem;
+            max-width: 100%;
             margin: 0 auto;
         }