Vim-Vixen/src/settings/components/ui/Input.scss

.settings-ui-input {
  page-break-inside: avoid;

  * {
    page-break-inside: avoid;
  }

  label {
    font-weight: bold;
    min-width: 14rem;
    display: inline-block;
  }

  input[type='text'] {
    padding: 4px;
    width: 8rem;
  }

  input.input-crror,
  textarea.input-error {
    box-shadow: 0 0 2px red;
  }

  &-error {
    font-weight: bold;
    color: red;
    min-height: 1.5em;
  }
}