Angular upgrade

	- Upgraded Angular from 14 to 15 version.

Change-Id: I2339a04020153cbc9ed7a14bfe8e0aa265e507da
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>
diff --git a/src/app/layouts/header/HeaderComponent.scss b/src/app/layouts/header/HeaderComponent.scss
index 81f90c1..0a5027a 100644
--- a/src/app/layouts/header/HeaderComponent.scss
+++ b/src/app/layouts/header/HeaderComponent.scss
@@ -18,6 +18,15 @@
 @import '../../../assets/scss/mixins/mixin';
 @import '../../../assets/scss/variable';
 
+.close {
+    opacity: 1;
+    background-color: transparent;
+    border: 0;
+    position: absolute;
+    right: 10px;
+    top: 2px;
+    font-size: 1.31rem;
+}
 .navbar{
     @include box-shadow(0px, 0px, 12px, 0px, rgba($black,0.14));
     @include border(all, 0, solid, $gray-80);
@@ -25,6 +34,7 @@
         cursor: pointer;
     }
     .custom-dropdown-menu {
+        background-color: white !important;
         .dropdown-item{
             &.project-item{
                 @include flexbox(flex, space-between, row, null, center, null);