set frontend layout body class

src/app/layouts/frontend-layout.component.ts

@@ -1,9 +1,19 @@
 import {
     Component,
+    OnDestroy,
+    OnInit,
 } from '@angular/core';
 
 @Component({
     selector: 'app-frontend-layout',
     templateUrl: 'frontend-layout.component.html',
 })
-export class FrontendLayoutComponent { }
+export class FrontendLayoutComponent implements OnInit, OnDestroy {
+    ngOnInit() {
+        document.body.classList.add('layout_frontend');
+    }
+
+    ngOnDestroy() {
+        document.body.classList.remove('layout_frontend');
+    }
+}

src/scss/styles.scss

@@ -62,6 +62,10 @@ html {
 
 body {
     min-width: 1010px;
+
+    &.layout_frontend {
+        background-color: #ecf0f5;
+    }
 }
 
 .page-header {