diff --git a/src/app/@theme/layouts/one-column/one-column.layout.scss b/src/app/@theme/layouts/one-column/one-column.layout.scss
index f739f708..1798c92e 100644
--- a/src/app/@theme/layouts/one-column/one-column.layout.scss
+++ b/src/app/@theme/layouts/one-column/one-column.layout.scss
@@ -29,7 +29,6 @@
 
     ::ng-deep .main-container {
       width: $sidebar-width;
-      background: nb-theme(color-bg);
       transition: width 0.3s ease;
       overflow: hidden;
 
diff --git a/src/app/@theme/layouts/three-columns/three-columns.layout.scss b/src/app/@theme/layouts/three-columns/three-columns.layout.scss
index 4cf3bc9c..47065a06 100644
--- a/src/app/@theme/layouts/three-columns/three-columns.layout.scss
+++ b/src/app/@theme/layouts/three-columns/three-columns.layout.scss
@@ -29,7 +29,6 @@
 
     ::ng-deep .main-container {
       width: $sidebar-width;
-      background: nb-theme(color-bg);
       transition: width 0.3s ease;
       overflow: hidden;
 
diff --git a/src/app/@theme/layouts/two-columns/two-columns.layout.scss b/src/app/@theme/layouts/two-columns/two-columns.layout.scss
index 4cf3bc9c..47065a06 100644
--- a/src/app/@theme/layouts/two-columns/two-columns.layout.scss
+++ b/src/app/@theme/layouts/two-columns/two-columns.layout.scss
@@ -29,7 +29,6 @@
 
     ::ng-deep .main-container {
       width: $sidebar-width;
-      background: nb-theme(color-bg);
       transition: width 0.3s ease;
       overflow: hidden;
 
diff --git a/src/app/pages/extra-components/chat/chat.component.scss b/src/app/pages/extra-components/chat/chat.component.scss
index f8b18d29..eaf111da 100644
--- a/src/app/pages/extra-components/chat/chat.component.scss
+++ b/src/app/pages/extra-components/chat/chat.component.scss
@@ -17,7 +17,6 @@
 
   .chat-container {
     margin-bottom: 2rem;
-    font-size: nb-theme(font-size-xlg);
 
     li {
       padding-top: 1rem;
@@ -25,7 +24,6 @@
   }
 
   .chart-description {
-    font-size: nb-theme(font-size-xlg);
     text-align: center;
     margin: 0 auto;
     width: 52%;