diff --git a/public/css/main.css b/public/css/main.css
index 9d99a6ad2..805a98b25 100644
--- a/public/css/main.css
+++ b/public/css/main.css
@@ -7304,8 +7304,8 @@ button.ui-datepicker-trigger::before {
   transition: 0.5s all;
 }
 #preview-window.closed {
-  /*background-color: transparent;
-  border: 0;*/
+  border: 0;
+  box-shadow: none;
 }
 #preview-window.closed #preview_switch {
   padding-bottom: 0;
diff --git a/resources/sass/main/main/admin.scss b/resources/sass/main/main/admin.scss
index fb3e10bd7..ca3fbcc85 100644
--- a/resources/sass/main/main/admin.scss
+++ b/resources/sass/main/main/admin.scss
@@ -137,8 +137,8 @@
     transition: 0.5s all;
 
     &.closed{
-        /*background-color: transparent;
-        border: 0;*/
+        border: 0;
+        box-shadow: none;
 
         #preview_switch{
             padding-bottom: 0;