signup layout fixed

server.py

@@ -89,14 +89,10 @@ def app():
     ah = ad.ApplicationDao()
     if request.method == 'GET':
         dh = dd.DeviceDao()
-        appkey = None
-        if 'appkey' in session:
-            appkey = session['appkey']
-        else:
-            appkey = request.args.get('appkey')
-            session['appkey'] = request.args.get('appkey')
+            
+        session['appkey'] = request.args.get('appkey')
 
-        app = ah.get(appkey)
+        app = ah.get(session['appkey'])
         devs = dh.get_list(app[1][1])
         
         print('devs : ', devs)

templates/signup.html

@@ -5,7 +5,7 @@
 {% block content %}
 
 <div class="row">
-	<div class="col-md-6 col-md-offset3">
+	<div class="col-md-6 col-md-offset-3">
 		<form action="signup" method="post">
 			<div class="form-group">
 				<label>Username:</label><br>