Example

This is support text, for example information on how long the password should be

This is an error message
This is a error message
This is a error message

List of radio buttons

 

Here's some additional text

List of checkboxes

List of 2 checkboxes horizontally inline

Single checkbox with paragraph text (optional)

This block also reiterates that we don’t use asterisks but the (optional) indication for fields that are not mandatory.

Markup: components/form/form.twig
<form novalidate>
	<div id="field-wrapper--standard" class="form__fieldset form__field--wrapper form__field-wrapper--text">
		<label id="field-label--standard" for="field-input--standard" class="form__field-label required">Input required with paragraph text and hint</label>
		<p class="form-help-text">This is support text, for example information on how long the password should be</p>
		<input 
			type="text" 
			id="field-input--standard" 
			name="standard" 
			class="form__field form__field--text" 
			required="required" 
			placeholder="This is hint text" 
			pattern="" 
			aria-describedby="field-label--standard"
		>
	</div>
	<div id="field-wrapper--standard-error" class="form__fieldset form__field--wrapper form__field-wrapper--text">
		<label id="field-label--firstname" for="field-input--firstname" class="form__field-label required">Input with error mesaage</label>
		<input 
			type="text" 
			id="field-input--standard-error" 
			name="firstname" 
			class="form__field form__field--text form__field--error-outline" 
			required="" 
			placeholder="Field completed incorrectly" 
			pattern="" 
			aria-describedby="field-label--standard"
		>
		<div id="field-error--standard-error" class="form__field-error-container form__field-error-container--text" aria-live="assertive" role="status">
			<span class="form-error">This is an error message</span>
		</div>
	</div>
	<div id="field-wrapper--standard-optional" class="form__fieldset form__field--wrapper form__field-wrapper--text">
		<label id="field-wrapper--standard-optional" for="field-input--standard" class="form__field-label">Simple input <span>(optional)</span></label>
		<input 
			type="text" 
			id="field-wrapper--standard-optional" 
			name="standard" 
			class="form__field form__field--text error-border" 
			placeholder="" 
			pattern="" 
			aria-describedby="field-label--standard"
		>
	</div>
	<div class="form__field--wrapper form__choice form__field--select">
		<label class="form__field form__field--country form__choice required" for="field-input--select">Dropdown menu</label>
		<select 
			id="field-input--select" 
			name="select-1" 
			class="form__field form__field--select"
		> 
			<option >Please select</option>
			<option value="GB">United Kingdom</option>
			<option disabled="disabled">-------------------</option>
		</select>
	</div>

	<div class="form__field--wrapper form__choice form__field--select">
		<label class="form__field form__field--country form__choice required" for="field-input--select">Dropdown menu</label>
		<select 
			id="field-input--select" 
			name="select-2" 
			class="form__field form__field--country form__field--error-outline"
		> 
			<option >Please select</option>
			<option value="GB">United Kingdom</option>
			<option disabled="disabled">-------------------</option>
		</select>
		</select>
		<div class="form__field--error" aria-live="assertive" role="status">
			<span class="form-error">This is a error message</span>
		</div>
	</div>
	<div class="form__field--wrapper form__textarea">
        <label class="form__texarea required" for="comicrelief_payin_general_permissionEmail require">Long copy/Message field</label>
        <textarea class="form__field">This is text area</textarea>
    </div>
	<div class="form__field--wrapper form__textarea">
        <label class="form__texarea required" for="comicrelief_payin_general_permissionEmail">Long copy/Message field</label>
        <textarea class="form__field form__field--error-outline">This is text area</textarea>
		<div class="form__field--error" aria-live="assertive" role="status">
			<span class="form-error">This is a error message</span>
		</div>
    </div>
	<div class="form__row form__field--wrapper form__field-wrapper--radio">
		<p class="form__fieldset--label"> List of radio buttons </p>
		<div class="form__field--wrapper form__radio form__radio--inline">
			<label class="form__field-label" for="radio-1">Option 1</label>
			<input type="radio" id="radio-1" name="radio-group" value="1" checked/>
			<span></span>
		</div>
		<div class="form__field--wrapper form__radio form__radio--inline">
			<label class="form__field-label" for="radio-2">Option 2</label>
			<input type="radio" id="radio-2" name="radio-group" value="2" />
			<span>&nbsp;</span>
			<div class="form__fieldset form__field--wrapper form__field-additional-text">
			 <div>
			 	<p>Here's some additional text </p>
			 	</div>
			</div>
		</div>
	</div>
	<div class="form__row form__field--wrapper form__field-wrapper--checkbox">
		<p class="form__fieldset--label"> List of checkboxes </p>
		<div class="form__field--wrapper form__checkbox form__checkbox--inline">
			<label class="form__field-label" for="checkbox-1">Option 1</label>
			<input type="checkbox" id="checkbox-1" name="group-checkbox" value="1" checked />
			<span></span>
		</div>
		<div class="form__field--wrapper form__checkbox form__checkbox--inline">
			<label class="form__field-label" for="checkbox-2">Option 2</label>
			<input type="checkbox" id="checkbx-2" name="group-checkbox" value="2" />
			<span></span>
		</div>
	</div>
	<div class="form__row form__field--wrapper form__field-wrapper--checkbox">
		<p class="form__fieldset--label"> List of 2 checkboxes horizontally inline</p>
		<div class="form__field--wrapper form__checkbox form__checkbox--inline form__checkbox--inline-2-horizontal">
			<label class="form__field-label" for="checkbox-1">Option 1</label>
			<input type="checkbox" id="checkbox-1" name="group-checkbox" value="1" checked />
			<span></span>
		</div>
		<div class="form__field--wrapper form__checkbox form__checkbox--inline form__checkbox--inline-2-horizontal">
			<label class="form__field-label" for="checkbox-2">Option 2</label>
			<input type="checkbox" id="checkbx-2" name="group-checkbox" value="2" />
			<span></span>
		</div>
	</div>
	<div class="form__field--wrapper form__field-wrapper--checkbox form__checkbox-paragraph">
		<p class="form__fieldset--label">Single checkbox with paragraph text (optional)</p>
		<p>This block also reiterates that we don’t use asterisks but the (optional) indication for fields that are not mandatory.</p>
		<div class="form__checkbox--inline">
			<label class="form__field-label" for="singlecheckbox">Option 1</label>
			<input type="checkbox" id="singlecheckbox" name="singlecheckbox" value="1" />
			<span></span>
		</div>
    </div>
    <div class="form__field--wrapper form__field-wrapper--checkbox form__field-wrapper--background">
        <div class="form__checkbox--inline">
            <label class="form__field-label" for="singlecheckbox1">Single checkbox with background colour</label>
            <input type="checkbox" id="singlecheckbox1" name="singlecheckbox1" value="2" />
            <span></span>
        </div>
    </div>
</div>

</form>
Source: _sr18-styleguide.scss, line 75