.couponframe {
    padding: 10px;
    max-width: 350px;
    margin: 15px 0;
  }
  .couponframe__ttl {
    font-size: 16px;
    font-weight: bold;
  }
  .couponframe input {
    outline: none;
    font-weight:bold;
    font-size: 24px !important;
    color:#ff1aa1;
    padding:0;
    line-height: 1;
    border:none;
  }

  .couponframe button {
    font-weight:bold;
    margin:0 0 5px;
    padding:5px 24px;
    cursor:pointer;
    border: 1px #2a2a2a solid;
    font-size: 1.4rem;
    background: #000;
    color: #fff;
    border-radius: 30px;
  }

@media (max-width: 767px) {
  .couponframe {
    margin: 20px auto;
  }
}