diff --git a/docs/4.0/examples/carousel/index.html b/docs/4.0/examples/carousel/index.html
index d6c220cb7f..7d4a6ea22b 100644
--- a/docs/4.0/examples/carousel/index.html
+++ b/docs/4.0/examples/carousel/index.html
@@ -51,7 +51,7 @@
         <div class="carousel-item active">
           <img class="first-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="First slide">
           <div class="container">
-            <div class="carousel-caption d-md-block text-left">
+            <div class="carousel-caption text-left">
               <h1>Example headline.</h1>
               <p>Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
               <p><a class="btn btn-lg btn-primary" href="#" role="button">Sign up today</a></p>
@@ -61,7 +61,7 @@
         <div class="carousel-item">
           <img class="second-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Second slide">
           <div class="container">
-            <div class="carousel-caption d-md-block">
+            <div class="carousel-caption">
               <h1>Another example headline.</h1>
               <p>Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
               <p><a class="btn btn-lg btn-primary" href="#" role="button">Learn more</a></p>
@@ -71,7 +71,7 @@
         <div class="carousel-item">
           <img class="third-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Third slide">
           <div class="container">
-            <div class="carousel-caption d-md-block text-right">
+            <div class="carousel-caption text-right">
               <h1>One more for good measure.</h1>
               <p>Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
               <p><a class="btn btn-lg btn-primary" href="#" role="button">Browse gallery</a></p>