.btn {
    display: block;
    padding-top: 20px;
    text-align: center;
    margin-top: 24px;
    border: 1px solid #000;
    background: rgba(15, 252, 233, 0.35);
    color: #000;
    font-size: 1.8rem;
    font-weight: 700;
  	transition: 0.4s;
    position: relative;
}