import { Component } from '@angular/core'; @Component({ selector: 'app-contactus', templateUrl: './contactus.component.html', styleUrls: ['./contactus.component.scss'], }) export class ContactusComponent { constructor() { document.querySelector('#maincontent')?.classList.remove('main-content'); } ngOnDestroy() { document.querySelector('#maincontent')?.classList.add('main-content'); } }