spinner.component.html

<div class="spinner" [ngStyle]="{'margin': margin}">
  <div class="rect1" [ngStyle]="{'background-color': fill}"></div>
  <div class="rect2" [ngStyle]="{'background-color': fill}"></div>
  <div class="rect3" [ngStyle]="{'background-color': fill}"></div>
  <div class="rect4" [ngStyle]="{'background-color': fill}"></div>
  <div class="rect5" [ngStyle]="{'background-color': fill}"></div>
</div>

spinner.component.scss

.spinner {
    width: 50px;
    height: 40px;
    font-size: 10px;
  }
  
  .spinner > div {
    background-color: #fff;
    height: 100%;
    width: 6px;
    display: inline-block;
    
    -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out;
    animation: sk-stretchdelay 1.2s infinite ease-in-out;
  }
  
  .spinner .rect2 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
  }
  
  .spinner .rect3 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
  }
  
  .spinner .rect4 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
  }
  
  .spinner .rect5 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
  }
  
  @-webkit-keyframes sk-stretchdelay {
    0%, 40%, 100% { -webkit-transform: scaleY(0.4) }  
    20% { -webkit-transform: scaleY(1.0) }
  }
  
  @keyframes sk-stretchdelay {
    0%, 40%, 100% { 
      transform: scaleY(0.4);
      -webkit-transform: scaleY(0.4);
    }  20% { 
      transform: scaleY(1.0);
      -webkit-transform: scaleY(1.0);
    }
  }

spinner.component.ts

import { Component, OnInit, Input } from '@angular/core';

@Component({
    selector: 'app-spinner',
    templateUrl: './spinner.component.html',
    styleUrls: [ './spinner.component.scss' ]
})

export class SpinnerComponent {

    @Input('fill') fill: string;
    @Input('margin') margin: string;
}