fix conflict

src/app/components/landing/landing.component.ts

@@ -1,16 +1,24 @@
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, OnDestroy } from '@angular/core';
 @Component({
   selector: 'app-landing',
   templateUrl: './landing.component.html',
   styleUrls: ['./landing.component.scss']
 })
 export class LandingComponent implements OnInit {
+  
+  themeElement: any;
 
   constructor() { }
 
   ngOnInit(): void {
     let themeElement = document.getElementById('theme-css');
+    this.themeElement = document.getElementById('theme-css');
+    console.log(this.themeElement);
     themeElement.setAttribute('href','assets/theme/saga-blue/theme.css');
   }
 
+  ngOnDestroy(): void {
+
+  }
+
 }