<div class="deg">
  <p>-45deg</p>
</div>

<div class="grad">
  <p>110grad</p>
</div>

<div class="rad">
  <p>0.548rad</p>
</div>

<div class="turn">
  <p>-0.05turn</p>
</div>
body {
  padding-top: 40px;
  font-family: Roboto, sans-serif;
  text-align: center;
  display: flex;
  align-items: center;
  flex-direction: column;
}

div {
  margin-bottom: 30px;
  background: #651FFF;
  color: #FFF;
  width: 100px;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.deg {
  transform: rotate(-45deg);
}

.grad {
  transform: rotate(110grad);
}

.rad {
  transform: rotate(0.548rad);
}

.turn {
  transform: rotate(-0.05turn);
}

External CSS

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External JavaScript

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