.number-input {
  display: flex;
}
.number-input input[type=number] {
  border: none;
  -moz-appearance: textfield;
  text-align: center;
  width: var(--pxSize);
  height: var(--btnHeight);
  line-height: var(--btnHeight);
  padding: 0;
  background: transparent;
}
.number-input input[type=number]::-webkit-inner-spin-button, .number-input input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  appearance: none;
  margin: 0;
}
.number-input button {
  margin: 0;
  padding: 0 calc(var(--btnHeight) * 0.35);
}