diff --git a/_sass/external/_katex.scss b/_sass/external/_katex.scss
index 2ac1464e4d..7ec3793bb0 100644
--- a/_sass/external/_katex.scss
+++ b/_sass/external/_katex.scss
@@ -7,10 +7,12 @@ $katex-font-path: "../../assets/fonts/katex" !default;
   @media screen and (max-width: $sm-break) {
     overflow-x: auto;
   }
-  padding-bottom: 3px;
-  padding-top: 1px;
-  width: auto;
-  height: auto;
+  & {
+    padding-bottom: 3px;
+    padding-top: 1px;
+    width: auto;
+    height: auto;
+  }
 }
 
 .math-display {