.glaucoma-donation-amount-select {
  background-color: #36bba5;
  font-size: 24px;
  padding: 13px 30px;
  -webkit-transition: margin .3s ease, padding .3s ease, -webkit-filter .3s ease;
  transition: margin .3s ease, padding .3s ease, -webkit-filter .3s ease;
  transition: margin .3s ease, padding .3s ease, filter .3s ease;
  transition: margin .3s ease, padding .3s ease, filter .3s ease, -webkit-filter .3s ease;
  font-weight: 300;
  color: #fff;
  border: none;
  cursor: pointer;
  line-height: 1;
  font-family: greycliff-cf, sans-serif;
  border-radius: 0 32px 32px 32px;
  display: inline-block;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  margin: 0;
  letter-spacing: normal;
  display: inline-block;
}

.glaucoma-donation-amount-select:hover {
  -webkit-filter: brightness(1.15);
  filter: brightness(1.15);
}

/* Chrome, Safari, Edge, Opera */
input[name="custom_amount"]::-webkit-outer-spin-button,
input[name="custom_amount"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[name="custom_amount"] {
  -moz-appearance: textfield;
}