Angular: 디자인 팝 오버

<!--component.html-->
<p (mouseover)="showPopOver = true" (mouseleave)="showPopOver = false">
  Show Pop Over!
</p>

<div *ngIf="showPopOver" class="pop-over">
  <p>It's a pop-over</p>
</div>

//component.ts
import { Component, VERSION } from '@angular/core';

@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss'],
})
export class AppComponent {
  showPopOver = false;
}

//component.scss
p {
  cursor: pointer;
}

.pop-over {
  position: absolute;
  align-items: center;
  justify-content: center;
  border: 1px solid black;
  border-radius: 10px;
  width: 16rem;
  padding: 8rem;
  z-index: 1;
  box-shadow: 5px 10px grey;
}

.pop-over::before {
  border-width: 10px;
  border-style: solid;
  border-color: transparent transparent grey transparent;
  top: -20px;
  left: 4px;
  content: '';
  position: absolute;
}