<input class="el_form_input" type="text" name="text" placeholder="Text" />

<textarea class="el_form_textarea" name="text"></textarea>

<label class="el_btn el_btn__plain">
  <span class="el_txt">ファイル選択</span>
  <input class="el_form_input" type="file" name="file">
</label>

<div class="bl_box bl_box__fx hp_space_r_xs">
  <button class="el_btn el_btn__plain" type="button">ボタン</button>
  <button class="el_btn el_btn__plain el_btn__primary" type="button">ボタン</button>
</div>
<div class="bl_box bl_box__fx hp_space_r_xs">
  <button class="el_btn el_btn__plain" type="reset">リセット</button>
  <button class="el_btn el_btn__plain el_btn__warning" type="reset">リセット</button>
  <button class="el_btn el_btn__plain el_btn__danger" type="reset">リセット</button>
</div>
<div class="bl_box bl_box__fx hp_space_r_xs">
  <button class="el_btn el_btn__plain el_btn__primary" type="submit">送信</button>
  <button class="el_btn el_btn__plain el_btn__success" type="submit">送信</button>
</div>

<fieldset class="el_form_fieldset">
  <p class="el_txt">フォームテキスト</p>
</fieldset>