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 2808590de1..74bf29fdd4 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
@@ -85,7 +85,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message box">
+<p class="message">
   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 d871b80a33..a525da9bd9 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
@@ -72,7 +72,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message box">
+<p class="message">
   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 218078847f..ca9714f98b 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
@@ -89,7 +89,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message box">
+<p class="message">
   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 27ddd68b59..799f966428 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
@@ -72,7 +72,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message box">
+<p class="message">
   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 f232f8974b..1a2bda918b 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
@@ -87,7 +87,7 @@ tests:
   }
 </style>
 <h1>Cat Friends</h1>
-<p class="message box">
+<p class="message">
   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 9ef3ff3344..7e52940801 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
@@ -87,7 +87,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message box">
+<p class="message">
   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 12b7f59979..274731b571 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
@@ -84,7 +84,7 @@ tests:
   }
 </style>
 <h1>Cat Photo Finder</h1>
-<p class="message box">
+<p class="message">
   The message will go here
 </p>
 <p>