<div id="isometric">
   <p>Isometric</p>
</div>
<div id="perspective">
  <p>with Perspective</p>
</div>
html {
  background: #f2f2f2;
}
div {
  width: 300px;
  height: 250px;
  background-color: #ccc;
  display: flex;
  font-family: Arial;
  text-align: center;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #fff;
  margin-bottom: 10px;
  margin-right: auto;
  margin-left: auto;
}
#isometric {
  background-color: #0099e5;
transform: rotateX(60deg) rotateY(0deg) rotateZ(-45deg);
}
#perspective {
  background-color: #ff4c4c;
transform: perspective(600px) rotateX(60deg) rotateY(0deg) rotateZ(-45deg);
}

External CSS

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External JavaScript

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