old_contents: import React, { Component } from 'react';
  import Form from 'react-formal';
  import yup from 'yup';
  import styles from './style.css';
  
  class AuthPage extends Component {
      constructor () {
          super();
  
          this.schema = yup.object({
              name: yup.string()
                  .required(`Пожалуйста, укажите Ваше имя`),
          });
      }
  
      render () {
          return (
              <div className={styles.form_group}>
                  <span>Имя</span>
  
              <Form className={styles.form}
                    schema={this.schema}
              >
                  <div>
                      <Form.Field name='name'/>
                      <Form.Message for='name'/>
                  </div>
  
                  <div className={styles.input_group}>
                      <label>
                          <input
                                 type="checkbox"
                                 value=""
                                 onChange=""
                          /> Ведущий
                      </label>
  
                      <label>
                          <input
                                 type="checkbox"
                                 value=""
                                 onChange=""
                          /> Запомнить
                      </label>
                  </div>
  
                  <Form.Button type="submit" className={styles.btn}>
                      Войти
                  </Form.Button>
              </Form>
              </div>
          );
      }
  }
  
  export default AuthPage;
new_contents: import React, { Component } from 'react';
  import Form from 'react-formal';
  import yup from 'yup';
  
  import styles from './AuthPage.css';
  
  class AuthPage extends Component {
      constructor () {
          super();
  
          this.schema = yup.object({
                  name: yup.string()
                  .required(`Пожалуйста, укажите Ваше имя`),
          });
      }
  
      render () {
          return (
              <div className={styles.form_group}>
                  <span>Имя</span>
  
              <Form className={styles.form}
                    schema={this.schema}
              >
                  <div>
                      <Form.Field name='name'/>
                      <Form.Message for='name'/>
                  </div>
  
                  <div className={styles.input_group}>
                      <label>
                          <input
                                 type="checkbox"
                                 value=""
                                 onChange=""
                          /> Ведущий
                      </label>
  
                      <label>
                          <input
                                 type="checkbox"
                                 value=""
                                 onChange=""
                          /> Запомнить
                      </label>
                  </div>
  
                  <Form.Button type="submit" className={styles.btn}>
                      Войти
                  </Form.Button>
              </Form>
              </div>
          );
      }
  }
  
  export default AuthPage;
subject: rename file from style.css to AuthPage.css