<div class="std-each-custom-field">
    <div class="std-field-wrap">
        <label for="std_custom_field_<?php echo esc_attr($field_key); ?>" class="sr-only std-hidden-item"><?php echo esc_html($field_label); ?></label>
        <textarea name="<?php echo esc_attr($field_name); ?>" id="std_custom_field_<?php echo esc_attr($field_key); ?>" class="std-txt-area std-rounded-text-area" placeholder="<?php echo esc_attr($field_label); ?>" data-field-key="<?php echo esc_attr($field_key); ?>"></textarea>
    </div>

</div>