diff --git a/src/components/JsonViewer/style.ts b/src/components/JsonViewer/style.ts
index 4be9341a..82b1677a 100644
--- a/src/components/JsonViewer/style.ts
+++ b/src/components/JsonViewer/style.ts
@@ -68,9 +68,11 @@ export const jsonStyles = css`
     cursor: default;
     user-select: none;
     -webkit-user-select: none;
+    padding: 2px;
     &:focus {
       outline-color: #fff;
       outline-style: dotted;
+      outline-width: 1px;
     }
   }