zurb-foundation-5/doc/includes/form/examples_form_prepost_options.html

Foundation 5 for npm (no code modification from original repo)

{{#markdown}}
```scss
@include prefix($bg, $is-button);

/* Control the background color, which also effect the border and font color */
$bg: $input-prefix-bg;

/* If you prefix or postfix element is a button, make sure to set this to true */
$is-button: false;
```
{{/markdown}}

<form>
  <div class="row collapse">
    <span class="attached-label style custom">Label</span>
    <input type="text" class="attached-input" placeholder="Value">
  </div>
</form>