.nice-number {
  display: inline-flex;
  justify-content: stretch;
}

.nice-number button
{
    color: #fff;
    border: 1px solid #f86d18;
    background-color: #f86d18;
    font-size: 1.5rem;
    padding: 0 .65rem;
}

.nice-number input {
  vertical-align: middle;
  -moz-appearance: textfield;
  box-sizing: content-box;
  margin: 0;
  text-align: center;
  border: 1px solid rgba(0,0,0, .1);
  padding: 0 1rem;
  border-left: #f86d18;
  border-right: #f86d18;
}

.nice-number input::-webkit-inner-spin-button,
.nice-number input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}