diff --git a/IPython/frontend/html/notebook/static/less/style.less b/IPython/frontend/html/notebook/static/less/style.less
index cc15f4f..7979ae8 100644
--- a/IPython/frontend/html/notebook/static/less/style.less
+++ b/IPython/frontend/html/notebook/static/less/style.less
@@ -4,3 +4,4 @@
 @import "renderedhtml.less";
 @import "tooltip.less";
 @import "variables.less";
+@import "../components/bootstrap/less/bootstrap";