diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index b25535eb6e6e9c11fdd39db26d8939c9189273b6..8bdd175d6077f6434a3448623efdee258841aece 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -3591,7 +3591,8 @@ input[type="submit"].btn.btn-mini {
 }
 
 .btn-group > .btn,
-.btn-group > .dropdown-menu {
+.btn-group > .dropdown-menu,
+.btn-group > .popover {
   font-size: 14px;
 }
 
diff --git a/less/button-groups.less b/less/button-groups.less
index 2963c75defafe40b7c4ae528287cad2111f6c8a4..c830852b2b4167f5a97225579303901150f9cf74 100644
--- a/less/button-groups.less
+++ b/less/button-groups.less
@@ -40,7 +40,8 @@
   margin-left: -1px;
 }
 .btn-group > .btn,
-.btn-group > .dropdown-menu {
+.btn-group > .dropdown-menu,
+.btn-group > .popover {
   font-size: @baseFontSize; // redeclare as part 2 of font-size inline-block hack
 }