1 files changed, 8 insertions, 3 deletions
diff --git a/dist/css/bootstrap.css b/dist/css/bootstrap.css
index d0281dd01..40ab9a914 100644
--- a/dist/css/bootstrap.css
+++ b/dist/css/bootstrap.css
@@ -1,5 +1,6 @@
 /*!
  * Bootstrap v4.0.0-alpha.2 (http://getbootstrap.com)
+ * Copyright 2011-2016 The Bootstrap Authors
  * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
@@ -396,17 +397,17 @@ a:focus {
   outline-offset: -2px;
 }
 
-a:not([href]) {
+a:not([href]):not([tabindex]) {
   color: inherit;
   text-decoration: none;
 }
 
-a:not([href]):focus, a:not([href]):hover {
+a:not([href]):not([tabindex]):focus, a:not([href]):not([tabindex]):hover {
   color: inherit;
   text-decoration: none;
 }
 
-a:not([href]):focus {
+a:not([href]):not([tabindex]):focus {
   outline: none;
 }
 
@@ -5666,6 +5667,10 @@ button.close {
   border-radius: 0.2375rem 0.2375rem 0 0;
 }
 
+.popover-title:empty {
+  display: none;
+}
+
 .popover-content {
   padding: 9px 14px;
 }