diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index cb1e91545f..f5b933c9c9 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 dd141c5996..7134c6e711 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -641,6 +641,7 @@ select,
   font-size: 13px;
   line-height: 18px;
   color: #555555;
+  background-color: #ffffff;
   border: 1px solid #cccccc;
   -webkit-border-radius: 3px;
   -moz-border-radius: 3px;
diff --git a/less/forms.less b/less/forms.less
index 60eff00438..dafe1c5c32 100644
--- a/less/forms.less
+++ b/less/forms.less
@@ -71,6 +71,7 @@ select,
   font-size: @baseFontSize;
   line-height: @baseLineHeight;
   color: @gray;
+  background-color: @inputBackground;
   border: 1px solid @inputBorder;
   .border-radius(@inputBorderRadius);
 }