<form id="login_form" autocomplete="off">
            <div class="input_label">
                <input type="text" class="codigo" name="cod" autocomplete="off">
                <div class="box_blanco">
                    <div class="box icon-barcode"></div>
                    <label class="">Código</label>
                </div>
            </div>
            <div class="input_label">
                <input type="text" class="documento" name="doc" autocomplete="off">
                <div class="box_blanco">
                    <div class="box icon-credit-card"></div>
                    <label class="activo">Documento</label>
                </div>
            </div>

            <div class="input_label">
                <input type="password" class="contraseña" name="pas" autocomplete="off">
                <div class="box_blanco">
                    <div class="box icon-key2"></div>
                    <label class="activo">Contraseña</label>
                </div>
            </div>
        </form>