lostplaces-frontend/components/02_Molecules/form/form.hbs

<form class="LP-Form">
    <fieldset class="LP-Form__Fieldset">
        <legend class="LP-Form__Legend">Basic data</legend>

        <div class="LP-Form__Composition LP-Form__Composition--breakable">
            <span class="LP-Form__Field LP-Input LP-Input--error">
                <label for="input123" class="LP-Input__Label">First name</label>
                <input type="text" id="input123" class="LP-Input__Field"/>
                <span class="LP-Input__Message">Field is required</span>
            </span>
            <span class="LP-Form__Field LP-Input">
                <label for="input123" class="LP-Input__Label">Last name</label>
                <input type="text" id="input123" class="LP-Input__Field"/>
            </span>
        </div>

        <div class="LP-Form__Composition">
            <span class="LP-Form__Field LP-Form__Field--wider LP-Input">
                <label for="input123" class="LP-Input__Label">Street</label>
                <input type="text" id="input123" class="LP-Input__Field"/>
                <span class="LP-Input__Message">We won't send any stalkers, promise</span>
            </span>
            <span class="LP-Form__Field LP-Form__Field--narrower LP-Input">
                <label for="input123" class="LP-Input__Label">House no</label>
                <input type="text" id="input123" class="LP-Input__Field"/>
                <span class="LP-Input__Message">Field is required</span>
            </span>
            <span class="LP-Form__Field LP-Form__Field--narrower LP-Input">
                <label for="input123" class="LP-Input__Label">Disabled</label>
                <input type="text" id="input123" class="LP-Input__Field" disabled="disabled"/>
                <span class="LP-Input__Message">Field is required</span>
            </span>
        </div>

        <div class="LP-Form__Composition">
            <span class="LP-Form__Field LP-Form__Field--narrow LP-Input">
                <label for="input123" class="LP-Input__Label">Postal Code</label>
                <input type="text" id="input123" class="LP-Input__Field"/>
            </span>
            <span class="LP-Form__Field LP-Form__Field--wide LP-Input">
                <label for="input123" class="LP-Input__Label">Town</label>
                <input type="text" id="input123" class="LP-Input__Field"/>
            </span>
        </div>

    </fieldset>
</form>