Preview:
.btn-animation a {
  margin: 0 auto;
  width: fit-content !important;
  height: 50px !important;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.btngradienthov a:hover {
  color: #fff;
  background: linear-gradient(90deg, #89d501 0%, #33b1ad 100%);
}

.btn-animation a {
  position: relative;
}

.btn-animation a span.elementor-button-text {
  position: relative;
  z-index: 9999;
}

.btn-animation a:hover:before {
  background: linear-gradient(90deg, #89d501 0%, #33b1ad 100%);
}

.btn-animation a:before {
  content: "";
  position: absolute;
  width: 97%;
  height: 40px;
  z-index: 1;
  background: #ffffff;
  border-radius: 50px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  -webkit-border-radius: 50px;
  -moz-border-radius: 50px;
  -ms-border-radius: 50px;
  -o-border-radius: 50px;
}

.btn-animation a:after {
  content: "";
  width: 100%;
  height: 420px;
  position: absolute;
  border-radius: 50px;
  background: conic-gradient(#d9d9d9 0%12.5%,
      #d9d9d9 12.5%25%,
      #62c554 25%37.5%,
      #62c554 37.5%50%,
      #62c554 50%62.5%,
      #62c554 62.5%75%,
      #62c554 75%87.5%,
      #62c554 87.5%100%);
  animation: border-animation 5s linear infinite;
  -webkit-animation: border-animation 5s linear infinite;
}

@keyframes border-animation {
  to {
    transform: rotate(360deg);
    -webkit-transform: rotate(360deg);
    -moz-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    -o-transform: rotate(360deg);
  }
}
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