// reset & normalize
* {
  text-decoration: none;
}

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

body {
  font-size: 1.6rem;
}

// Start!
.btn {
  margin: 5px 0;
  position: relative;
  padding: 1.5rem 5rem 1.5rem 2rem;
  background-color: #543618;
  color: #fff;
  display: inline-block;
  text-align: center;
  border: 1px solid #543618;
  text-decoration: none;
  transition: all .3s;
  border-radius: 4px;
  &:after {
    content: "";
    position: absolute;
    top: 50%;
    bottom: 0;
    right: 2rem;
    font-size: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: right .3s;
    width: 6px;
    height: 6px;
    border-top: solid 2px currentColor;
    border-right: solid 2px currentColor;
    transform: translateY(-50%) rotate(45deg);
  }

  &:hover {
    background: #fff;
    color: #543618;

    &:after {
      right: 1.4rem;
    }
  }
}