Chore/css changes

.eslintignore

@@ -1,2 +1,3 @@
 # Contains the PDF file of the Tag as JSON string, thus does not need to be linted
-src/components/CheckIn/tagTemplate.ts
+src/components/CheckIn/tagTemplate.ts
+*.css

src/components/Advertisements/core/AdvertisementRegister/AdvertisementRegister.tsx

@@ -1,6 +1,6 @@
 import React, { useState, useEffect } from 'react';
 import PropTypes from 'prop-types';
-import styles from './AdvertisementRegister.module.css';
+import styles from '../../../../style/app.module.css';
 import { Button, Form, Modal } from 'react-bootstrap';
 import {
   ADD_ADVERTISEMENT_MUTATION,
@@ -263,7 +263,7 @@ function advertisementRegister({
         </div>
       )}
       <Modal show={show} onHide={handleClose}>
-        <Modal.Header closeButton className={styles.editHeader}>
+        <Modal.Header closeButton>
           {formStatus === 'register' ? (
             <Modal.Title> {t('addNew')}</Modal.Title>
           ) : (
@@ -405,6 +405,7 @@ function advertisementRegister({
           <Button
             variant="secondary"
             onClick={handleClose}
+            className={styles.closeButton}
             data-testid="addonclose"
           >
             {tCommon('close')}
@@ -414,6 +415,7 @@ function advertisementRegister({
               variant="primary"
               onClick={handleRegister}
               data-testid="addonregister"
+              className={styles.addButton}
             >
               {tCommon('register')}
             </Button>