Use a common class for public forms

And make them a bit larger

public/css/vroom.css

@@ -77,12 +77,8 @@
   padding-top: 2px;
   padding-bottom: 2px;
 }
-#createRoomContainer {
-  max-width: 700px;
-  margin: auto;
-}
-#feedbackFormContainer {
-  max-width: 700px;
+.publicForm {
+  max-width: 800px;
   margin: auto;
 }
 #roomToolBar {

templates/default/feedback.html.ep

@@ -2,7 +2,7 @@
 %= include 'header'
 %= include 'public_toolbar'
 <div class="container-fluid">
-  <div id="feedbackFormContainer" class="well">  
+  <div class="well publicForm">
     <form role="form" action="<%= $self->get_url('/feedback') %>" method="post">
       <legend>
         <center>

templates/default/index.html.ep

@@ -3,7 +3,7 @@
 %= include 'public_toolbar'
 
 <div class="container-fluid">
-  <div class="well" id="createRoomContainer">
+  <div class="well publicForm">
     <h2>
       <center>
         <%=l 'CREATE_ROOM' %>

templates/default/invitation.html.ep

@@ -2,7 +2,7 @@
 %= include 'header'
 %= include 'public_toolbar'
 <div class="container-fluid">
-  <div class="well">
+  <div class="well publicForm">
     <form role="form" action="<%= $self->get_url('/invitation') %>" method="post">
       <legend>
         <center>