diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.english.md
index 6fa5f2ec26f..581d3027b87 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/access-the-json-data-from-an-api.english.md
@@ -91,7 +91,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message">
+<p class="message box">
   The message will go here
 </p>
 <p>
diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.english.md
index db6224871fd..22f2a673260 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/change-text-with-click-events.english.md
@@ -73,7 +73,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message">
+<p class="message box">
   The message will go here
 </p>
 <p>
diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.english.md
index f1e706031d4..d4ad797c0a4 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/convert-json-data-to-html.english.md
@@ -113,7 +113,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message">
+<p class="message box">
   The message will go here
 </p>
 <p>
diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-fetch-method.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-fetch-method.english.md
index 2cea90aa44f..bff5eb66d03 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-fetch-method.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-fetch-method.english.md
@@ -97,7 +97,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p id="message">
+<p id="message" class="box">
   The message will go here
 </p>
 <p>
@@ -155,7 +155,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p id="message">
+<p id="message" class="box">
   The message will go here
 </p>
 <p>
diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.english.md
index 69828212e6c..dbf4967f534 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/get-json-with-the-javascript-xmlhttprequest-method.english.md
@@ -100,7 +100,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message">
+<p class="message box">
   The message will go here
 </p>
 <p>
@@ -161,7 +161,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message">
+<p class="message box">
   The message will go here
 </p>
 <p>
diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.english.md
index 9fb73ff5dc8..cb1181b171b 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/handle-click-events-with-javascript-using-the-onclick-property.english.md
@@ -83,7 +83,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message">
+<p class="message box">
   The message will go here
 </p>
 <p>
diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.english.md
index 248009764e3..bb92ae164d1 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/post-data-with-the-javascript-xmlhttprequest-method.english.md
@@ -103,7 +103,7 @@ tests:
   }
 </style>
 <h1>Cat Friends</h1>
-<p class="message">
+<p class="message box">
   Reply from Server will be here
 </p>
 <p>
diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.english.md
index 82190993e59..5be13b6b61b 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/pre-filter-json-to-get-the-data-you-need.english.md
@@ -94,7 +94,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message">
+<p class="message box">
   The message will go here
 </p>
 <p>
diff --git a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.english.md b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.english.md
index 5510d1ebd29..113003969b6 100644
--- a/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.english.md
+++ b/curriculum/challenges/english/04-data-visualization/json-apis-and-ajax/render-images-from-data-sources.english.md
@@ -85,7 +85,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message">
+<p class="message box">
   The message will go here
 </p>
 <p>