<a href="#" class="btn">Click Click Click! </a>
// reset & normalize
* {
  text-decoration: none;
}

html {
  font-size: 62.5%; // 62.5% = 1rem = 10px
  padding: 3rem;
  color: #614f38;
}

body {
  font-size: 1.6rem;
}

// Start!
/*Button Two*/
.btn {
  display:inline-block;
  color: #614f38;
  transition: all 0.4s;
  position: relative;
	text-align: center;
	padding:1rem 2rem;
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background-color: rgba(#005a12, 0.2);
    transition: all 0.3s;
  }

  &:hover::before {
    opacity: 0;
    transform: scale(0.4, 0.4);
  }

  &::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0;
    transition: all 0.3s;
    border: 1px solid rgba(#005a12, 0.4);
    transform: scale(1.2, 1.2);
  }

  &:hover::after {
    opacity: 1;
    transform: scale(1, 1);
  }
}
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