fix unrelated codes

src/client/styles/scss/_layout_growi.scss

@@ -14,7 +14,8 @@
 
       .liker-user-count,
       .seen-user-count {
-        font-weight: bold;
+        font-size: 12px;
+        font-weight: bolder;
       }
     }
     .cls-1 {