<div class="box el"></div>
<div class="circle el"></div>
<div class="triangle el"></div>
body {
  font-family: system-ui;
  background: #252323;
  color: white;
  align-items: center;
}

.el {
  position: relative;
  top: 15vh;
  width: 50px;
  height: 50px;
  margin: 1%;
  background-color: orange;
}

.circle {
  border-radius: 50%;
}

.triangle {
  background-color: transparent;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 25px 45px 25px;
  border-color: transparent transparent orange transparent;
}
import anime from "https://cdn.skypack.dev/animejs";

var tl = anime.timeline({
  easing: 'easeOutExpo',
  duration: 750
});

// Add children
tl
.add({
  targets: '.box',
  translateX: 250,
})
.add({
  targets: '.circle',
  translateX: 250,
})
.add({
  targets: '.triangle',
  translateX: 250,
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/animejs/3.2.1/anime.min.js