// reset & normalize
*{text-decoration:none;}
html{
  font-size:62.5%; // 62.5% = 1rem = 10px
    padding: 3rem;
  color: #614f38;
}
body {
  font-size:1.6rem;
}
// Start!
a.btn {
  text-align: left;
  position: relative;
  text-decoration: none;
  display: inline-block;
  background-color: #fff;
  border-radius: 4px;
  padding: 11px 20px 11px 40px;
  color: inherit;
  transition: all .3s;
  border: 1px solid;
  &:before, &:after {
    content: "";
    position: absolute;
    display:block;
    top: 0;
    bottom: 0;
    margin: auto;
    transition: all .3s;
    
  }
  &:before {
    left:15px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #614f38;
  }
  &:after {
    left: 18px;
    width: 5px;
    height: 5px;
    border-top: 2px solid #fff;
    border-right: 2px solid #fff;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
  }
  &:hover {
    background-color: #614f38;
    color: #fff;
    &:before{
      background:#fff;
    }
    &:after{
      border-color:#614f38;
    }
  }
}