diff --git a/asset/css/mixin/mixins.less b/asset/css/mixin/mixins.less
index ca30dd0f..58b95671 100644
--- a/asset/css/mixin/mixins.less
+++ b/asset/css/mixin/mixins.less
@@ -35,3 +35,7 @@
   overflow: hidden;
   text-overflow: ellipsis;
 }
+
+.monospace-font() {
+  font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
+}