<div class="arrow-box">
  <div class="arrow-round"></div>
</div>
:root {
  --width: 50px;
}

body {
  ovewrflow: hidden;
}

.arrow-box {
  position: absolute;
  width: var(--width);
  height: var(--width);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -60%);
}

.arrow-box .arrow-round {
  position: absolute;
  width: var(--width);
  height: var(--width);
  border: calc(var(--width) / 4) solid #4C7F2E;
  border-radius: 50%;
  border-right-color: transparent;
  transition: transform 1s;
}

.arrow-box .arrow-round::after {
  content: "";
  position: absolute;
  top: -22.5%;
  left: 65%;
  border: calc(var(--width) * 0.5) solid #fff;
  border-bottom-color: #4C7F2E;
  border-left-color: transparent;
  border-top-width: 0;
  border-right-width: 0;
}

.arrow-box:hover .arrow-round {
  transform: rotate(1turn) scale(1.2);
}

External CSS

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External JavaScript

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