<div class="box">
  <span>Hover Me</span>
</div>

<div class="box">
  <span>Hover Me!</span>
</div>

@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100vw;
  min-height: 100vh;
  font-family: "Exo", Arial, sans-serif;
  background-color: #222;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  gap: 10px;
  padding: 10px;
}

.box {
  width: 150px;
  height: 150px;
  background-color: #0055fe;
  cursor: pointer;
  margin: 30px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

:root {
  --ON: 1;
}

.box {
  transform: rotate(calc(var(--ON) * 45deg));
  transition: transform 1s ease-in-out;
}

.box:hover {
  transform: rotate(calc(var(--on) * 720deg));
}

.box:last-of-type {
  background-color: #f36;
}

.box:last-of-type:hover {
  transform: rotate(calc(var(--ON) * 720deg));
}

.box span {
  white-space: nowrap;
  transform: rotate(-45deg);
}