input.nu_input,
.nu_input input {
  box-sizing: border-box;
  border: 1px solid;
  border-radius: 3px;
  font: inherit;
  background-color: #ffffff;
  transition: border-color 200ms, color 200ms, background-color 200ms;
  padding: 0.5em 0.75em;
  height: 40/16 * 1em;
  font-size: 16px;
  line-height: 1.5em;
  display: inline-block;
  vertical-align: middle;
}