diff --git a/exercises/testing-code/README.md b/exercises/testing-code/README.md
index ea23403..c45a8fc 100644
--- a/exercises/testing-code/README.md
+++ b/exercises/testing-code/README.md
@@ -66,7 +66,7 @@ func TestFailedTranslateActivityBadLanguageCode(t *testing.T) {
 
 	// Assert that the error has the expected message, which identifies
 	// the invalid language code as the cause
-	assert.Equal(t, "HTTP Error 400: Unknown language code \"xq\"", applicationErr.Message())
+	assert.Equal(t, "HTTP Error 400: Unknown language code 'xq'\n", applicationErr.Message())
 }
 ```
 
diff --git a/style.css b/style.css
index 56ae278..444902b 100644
--- a/style.css
+++ b/style.css
@@ -99,6 +99,7 @@
   -ms-text-size-adjust: 100%;
   -webkit-text-size-adjust: 100%;
   margin: 0;
+  padding: 1em;
   color: var(--color-fg-default);
   background-color: var(--color-canvas-default);
   font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";
@@ -213,6 +214,7 @@
 .markdown-body samp {
   font-family: monospace,monospace;
   font-size: 1em;
+  color: var(--color-fg-default);
 }
 
 .markdown-body figure {
@@ -1034,5 +1036,4 @@
 
 .markdown-body ::-webkit-calendar-picker-indicator {
   filter: invert(50%);
-}
-
+}
\ No newline at end of file