diff --git a/jekyll/_sass/custom/_custom.scss b/jekyll/_sass/custom/_custom.scss
new file mode 100644
index 000000000..5000232f0
--- /dev/null
+++ b/jekyll/_sass/custom/_custom.scss
@@ -0,0 +1,3 @@
+pre.highlight {
+  line-height: 1;
+}