Update ecommerce tool documentation page - cards

Author: Martussky

en/tools/ecommerce/docs/components/cards-panels/o.html

@@ -500,7 +500,7 @@ <h4 class="secondary-heading mt-5">
       <p></p>
 
       <!--Section: Live preview-->
-      <section class="section-preview" style="max-width: 23rem;">
+      <section class="section-preview">
 
         <div style="max-width: 23rem;">
           <p>Some content here</p>