Fieldgroup

<fieldset class="fieldgroup fieldgroup--date" data-qa="widget-date">
    <legend class="fieldgroup__title venus">Date</legend>
    <div class="fieldgroup__fields">
        <div class="field field--input field--day">
            <label class="label mercury" for="input-date-range-from-day" id="label-date-range-from-day">Day</label>
            <input class="input input--StringField " value="" placeholder="DD" id="input-date-range-from-day" name="date-range-from-day">
        </div>

        <div class="field field--select field--month">
            <label class="label mercury" for="input-date-range-from-month" id="label-date-range-from-month">Month</label>
            <select class="input input--select" id="input-date-range-from-month" name="date-range-from-month">
              <option disabled="disabled" value="" selected="selected">Select month</option>
              <option value="1">January</option>
              <option value="2">February</option>
              <option value="3">March</option>
              <option value="4">April</option>
              <option value="5">May</option>
              <option value="6">June</option>
              <option value="7">July</option>
              <option value="8">August</option>
              <option value="9">September</option>
              <option value="10">October</option>
              <option value="11">November</option>
              <option value="12">December</option>
            </select>
        </div>

        <div class="field field--input field--year">
            <label class="label mercury" for="input-date-range-from-year" id="label-date-range-from-year">Year</label>
            <input data-qa="input-StringField" class="input input--StringField " value="" placeholder="YYYY" id="input-date-range-from-year" name="date-range-from-year">
        </div>
    </div>

</fieldset>