diff --git a/assets/styles/app/popup.sass b/assets/styles/app/popup.sass
index 708741e1..1ce3a91b 100644
--- a/assets/styles/app/popup.sass
+++ b/assets/styles/app/popup.sass
@@ -16,6 +16,7 @@
   margin: -200px 0 0 -200px
   padding: 20px
   @include popup
+  @include box-sizing(border-box)
 
   .close
     position: absolute
@@ -86,7 +87,6 @@
 #regenerate-key, #regeneration-success
   display: none
   width: 400px
-  margin: -95px 0 0 -300px
 
 #code-climate
   margin: -150px 0 0 -200px