Add some global css classes

plugins/talk-plugin-ignore-user/client/components/IgnoreUserAction.js

@@ -1,9 +1,12 @@
 import React from 'react';
 import styles from './IgnoreUserAction.css';
 import {t} from 'plugin-api/beta/client/services';
+import cn from 'classnames';
 
 export default ({ignoreUser}) => (
-  <button className={styles.button} onClick={ignoreUser}>
+  <button
+    className={cn(styles.button, 'talk-plugin-ignore-user-action')}
+    onClick={ignoreUser}>
     {t('talk-plugin-ignore-user.ignore_user')}
   </button>
 );

plugins/talk-plugin-ignore-user/client/components/IgnoreUserConfirmation.js

@@ -1,20 +1,21 @@
 import React from 'react';
 import styles from './IgnoreUserConfirmation.css';
 import {t} from 'plugin-api/beta/client/services';
+import cn from 'classnames';
 
 export default ({ignoreUser, cancel, username}) => (
-  <aside className={styles.root}>
+  <aside className={cn(styles.root, 'talk-plugin-ignore-user-confirmation')}>
     <div className={styles.message}>
       <h1 className={styles.title}>
         {t('talk-plugin-ignore-user.confirmation_title', username)}
       </h1>
       {t('talk-plugin-ignore-user.confirmation')}
     </div>
-    <div className={styles.actions}>
-      <button className={styles.cancel} onClick={cancel}>
+    <div className={cn(styles.actions, 'talk-plugin-ignore-user-confirmation-actions')}>
+      <button className={cn(styles.cancel, 'talk-plugin-ignore-user-confirmation-cancel')} onClick={cancel}>
         {t('talk-plugin-ignore-user.cancel')}
       </button>
-      <button className={styles.button} onClick={ignoreUser}>
+      <button className={cn(styles.button, 'talk-plugin-ignore-user-confirmation-button')} onClick={ignoreUser}>
         {t('talk-plugin-ignore-user.ignore_user')}
       </button>
     </div>

plugins/talk-plugin-ignore-user/client/components/IgnoredUserSection.js

@@ -3,7 +3,7 @@ import styles from './IgnoredUserSection.css';
 import {t} from 'plugin-api/beta/client/services';
 
 export default ({ignoredUsers, stopIgnoringUser}) => (
-  <section>
+  <section className={'talk-plugin-ignore-user-section'}>
     <h3>{t('talk-plugin-ignore-user.section_title')}</h3>
     <p>{t('talk-plugin-ignore-user.section_info')}</p>
     <ul className={styles.list}>