diff --git a/datamodels/2.x/itop-portal-base/portal/web/css/bootstrap-theme-combodo.css b/datamodels/2.x/itop-portal-base/portal/web/css/bootstrap-theme-combodo.css
index 1a92988e0..f3418e72b 100644
--- a/datamodels/2.x/itop-portal-base/portal/web/css/bootstrap-theme-combodo.css
+++ b/datamodels/2.x/itop-portal-base/portal/web/css/bootstrap-theme-combodo.css
@@ -1,5 +1,5 @@
 /*!
- * Combodo portal theme v1.0.0
+ * Combodo portal theme v2.7.0
  * Based on Bootswatch Simplex
  */
 /*!
@@ -4116,6 +4116,7 @@ button.close {
   left: 0;
   z-index: 1040;
   background-color: #000;
+  transition: all 0.3s linear;
 }
 .modal-backdrop.fade {
   opacity: 0;
@@ -4124,6 +4125,8 @@ button.close {
 .modal-backdrop.in {
   opacity: 0.5;
   filter: alpha(opacity=50);
+  backdrop-filter: blur(2px);
+  -webkit-backdrop-filter: blur(2px);
 }
 .modal-header {
   padding: 15px;
diff --git a/datamodels/2.x/itop-portal-base/portal/web/css/bootstrap-theme-combodo.scss b/datamodels/2.x/itop-portal-base/portal/web/css/bootstrap-theme-combodo.scss
index c4acf4287..27bcab454 100644
--- a/datamodels/2.x/itop-portal-base/portal/web/css/bootstrap-theme-combodo.scss
+++ b/datamodels/2.x/itop-portal-base/portal/web/css/bootstrap-theme-combodo.scss
@@ -1,7 +1,7 @@
 @import 'variables.scss';
 
 /*!
- * Combodo portal theme v1.0.0
+ * Combodo portal theme v2.7.0
  * Based on Bootswatch Simplex
 */
 /*!
@@ -5104,7 +5104,8 @@ button.close {
     bottom: 0;
     left: 0;
     z-index: 1040;
-    background-color: #000000
+    background-color: #000000;
+    transition: all 0.3s linear;
 }
 .modal-backdrop.fade {
     opacity: 0;
@@ -5112,7 +5113,9 @@ button.close {
 }
 .modal-backdrop.in {
     opacity: 0.5;
-    filter: alpha(opacity=50)
+    filter: alpha(opacity=50);
+    backdrop-filter: blur(2px);
+    -webkit-backdrop-filter: blur(2px);
 }
 .modal-header {
     padding: 15px;