Webmastertoolbag Tryit Editor

<!DOCTYPE html>
<html>
<head>
<style>
.cube1 {
  font-size: 4em;
  width: 2em;
  margin: 1.5em auto;
  transform-style: preserve-3d;
  transform: perspective(5cm) rotateX(-15deg) rotateY(30deg);
}

.cube2 {
  font-size: 4em;
  width: 2em;
  margin: 1.5em auto;
  transform-style: preserve-3d;
  transform: perspective(10cm) rotateX(-15deg) rotateY(30deg);
}

.cube3 {
  font-size: 4em;
  width: 2em;
  margin: 1.5em auto;
  transform-style: preserve-3d;
  transform: rotateX(-15deg) rotateY(30deg);
}

.side {
  position: absolute;
  width: 2em;
  height: 2em;
  background: rgba(100,100,100,0.3);
  border: 1px solid red;
  text-align: center;
  line-height: 2em;
}

.front {transform: translateZ(1em);}
.top {transform: rotateX(90deg) translateZ(1em);}
.right {transform: rotateY(90deg) translateZ(1em);}
.left {transform: rotateY(-90deg) translateZ(1em);}
.bottom {transform: rotateX(-90deg) translateZ(1em);}
.back {transform: rotateY(-180deg) translateZ(1em);}
</style>
</head>
<body>

<h1>The perspective() Function</h1>

<h2>perspective(5cm):</h2>
  <div class="cube1">
  <div class="side front">1</div>
  <div class="side back">6</div>
  <div class="side right">4</div>
  <div class="side left">3</div>
  <div class="side top">5</div>
  <div class="side bottom">2</div>
</div>

<h2 style="margin-top:300px">perspective(10cm):</h2>
  <div class="cube2">
  <div class="side front">1</div>
  <div class="side back">6</div>
  <div class="side right">4</div>
  <div class="side left">3</div>
  <div class="side top">5</div>
  <div class="side bottom">2</div>
</div>

<h2 style="margin-top:300px">No perspective:</h2>
  <div class="cube3">
  <div class="side front">1</div>
  <div class="side back">6</div>
  <div class="side right">4</div>
  <div class="side left">3</div>
  <div class="side top">5</div>
  <div class="side bottom">2</div>
</div>