add class for topic-list dismiss button container

add class for topic-list dismiss button container

diff --git a/app/assets/javascripts/discourse/app/templates/discovery/topics.hbs b/app/assets/javascripts/discourse/app/templates/discovery/topics.hbs
index 8f13b1b..2bb1379 100644
--- a/app/assets/javascripts/discourse/app/templates/discovery/topics.hbs
+++ b/app/assets/javascripts/discourse/app/templates/discovery/topics.hbs
@@ -3,7 +3,7 @@
 {{/if}}
 
 {{#if showDismissAtTop}}
-  <div class="row">
+  <div class="row dismiss-container-top">
     {{#if showDismissRead}}
       {{d-button
         class="btn-default dismiss-read"

GitHub sha: 0a766b59