diff --git a/system/admin/views/add-content.html.php b/system/admin/views/add-content.html.php
index d19f7f9..414733a 100644
--- a/system/admin/views/add-content.html.php
+++ b/system/admin/views/add-content.html.php
@@ -166,6 +166,7 @@ $( function() {
 	<style>
 	#insertImageDialog { display:none; padding: 10px; font-size:12px;}
 	.wmd-prompt-background {z-index:10!important;}
+	#wmd-preview img {max-width:100%;}
 	</style>
 
 	<div id="insertImageDialog" title="Insert Image">
diff --git a/system/admin/views/add-page.html.php b/system/admin/views/add-page.html.php
index 3ab7bf8..4e181fa 100644
--- a/system/admin/views/add-page.html.php
+++ b/system/admin/views/add-page.html.php
@@ -62,6 +62,7 @@
 	<style>
 	#insertImageDialog { display:none; padding: 10px; font-size:12px;}
 	.wmd-prompt-background {z-index:10!important;}
+	#wmd-preview img {max-width:100%;}
 	</style>
 
 	<div id="insertImageDialog" title="Insert Image">
diff --git a/system/admin/views/edit-page.html.php b/system/admin/views/edit-page.html.php
index c7a506c..ba10872 100644
--- a/system/admin/views/edit-page.html.php
+++ b/system/admin/views/edit-page.html.php
@@ -131,6 +131,7 @@ if ($type == 'is_frontpage') {
 	<style>
 	#insertImageDialog { display:none; padding: 10px; font-size:12px;}
 	.wmd-prompt-background {z-index:10!important;}
+	#wmd-preview img {max-width:100%;}
 	</style>
 
 	<div id="insertImageDialog" title="Insert Image">