button,
input,
optgroup,
select,
textarea {
  box-sizing: border-box;
  max-width: 100%;
  font: inherit;
  margin: 0;
}

[type='number']::-webkit-inner-spin-button,
[type='number']::-webkit-outer-spin-button {
  height: auto;
}

[type='search'] {
  -webkit-appearance: none;
  outline-offset: -2px;
}

[type='search']::-webkit-search-cancel-button, [type='search']::-webkit-search-decoration {
  -webkit-appearance: none;
}

::-webkit-input-placeholder {
  color: inherit;
  opacity: .54;
}

::-webkit-file-upload-button {
  -webkit-appearance: none;
  font: inherit;
}

optgroup {
  font-weight: bold;
}