diff --git a/src/main/frontend/components/block.cljs b/src/main/frontend/components/block.cljs
index 2aa87cad688..80f46df4f84 100644
--- a/src/main/frontend/components/block.cljs
+++ b/src/main/frontend/components/block.cljs
@@ -1851,7 +1851,7 @@
       [:a.text-xs.opacity-50.hover:opacity-80
        {:href "https://github.com/logseq/logseq/issues"
         :target "_blank"} "report issue"]]
-     [:pre content]]))
+     [:pre.m-0.text-sm content]]))
 
 (rum/defc block-content-or-editor < rum/reactive
   [config {:block/keys [uuid body format] :as block} edit-input-id block-id heading-level edit?]
diff --git a/src/main/frontend/components/block.css b/src/main/frontend/components/block.css
index a551dab8f73..7adef044e26 100644
--- a/src/main/frontend/components/block.css
+++ b/src/main/frontend/components/block.css
@@ -91,11 +91,6 @@
   &-fallback-ui {
     padding:10px 15px;
     border-color: var(--ls-secondary-border-color);
-
-    pre {
-      font-size: 13px;
-      margin: 0;
-    }
   }
 }