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

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #333;
}

.link {
  color: #8bc34a;
  text-decoration: none;
  display: block;
  border: 2px solid #8bc34a;
  margin: 20px auto;
  position: relative;
  padding: 20px 80px;
  /* width: 160px;
  height: 40px; */
  /* width: 20%; */
  width: 300px;
  line-height: 36px;
  text-align: center;
  font-size: 48px;
  overflow: hidden;
}

.link::before {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 10;
  width: 100%;
  color: white;
  transform: translateX(-100%);
  transition: 0.3s;
}

.link span {
  display: block;
  transition: 0.3s;
}

.link:hover::before {
  transform: translateX(0);
}

.link:hover span {
  transform: translateX(200%);
}