provide paddings consistently in codeblcoks with/without highlight

public/css/custom.css

@@ -36,7 +36,12 @@
 /** same style for highlighted, non-highlight */
 .cpp.hljs {
   overflow-x: unset;
-    padding: unset;
+}
+
+/** override poole.css */
+pre code {
+  /* same as hljs */
+  padding: 0.5em;
 }
 
 /** highlight js change colors (overrides style) */