app/frameworks/twitter/bootstrap/modals.less in less-rails-bootstrap-3.0.5 vs app/frameworks/twitter/bootstrap/modals.less in less-rails-bootstrap-3.0.6

@@ -33,14 +33,12 @@
 }
 
 // Shell div to position the modal with bottom padding
 .modal-dialog {
   position: relative;
-  margin-left: auto;
-  margin-right: auto;
   width: auto;
-  padding: 10px;
+  margin: 10px;
   z-index: (@zindex-modal-background + 10);
 }
 
 // Actual modal
 .modal-content {
@@ -120,11 +118,10 @@
 // Scale up the modal
 @media screen and (min-width: @screen-sm-min) {
 
   .modal-dialog {
     width: 600px;
-    padding-top: 30px;
-    padding-bottom: 30px;
+    margin: 30px auto;
   }
   .modal-content {
     .box-shadow(0 5px 15px rgba(0,0,0,.5));
   }