diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index 8426617484..feedf59973 100644
Binary files a/docs/assets/bootstrap.zip and b/docs/assets/bootstrap.zip differ
diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index d51e3d6f95..6bbed834bd 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -2550,7 +2550,6 @@ button.btn.small, input[type="submit"].btn.small {
   color: #ffffff;
   text-decoration: none;
   background-color: #222222;
-  background-color: rgba(0, 0, 0, 0.5);
 }
 .navbar .divider-vertical {
   height: 40px;
diff --git a/less/navbar.less b/less/navbar.less
index 93c0400b6e..3ad2a0743f 100644
--- a/less/navbar.less
+++ b/less/navbar.less
@@ -205,7 +205,6 @@
   color: @navbarLinkColorHover;
   text-decoration: none;
   background-color: @navbarBackground;
-  background-color: rgba(0,0,0,.5);
 }
 
 // Dividers (basically a vertical hr)