diff --git a/package.json b/package.json
index 48d8527..f90eba8 100644
--- a/package.json
+++ b/package.json
@@ -59,6 +59,7 @@
 		"pug": "^3.0.0",
 		"react": "^17.0.2",
 		"react-dom": "^17.0.2",
+		"react-modal-hook": "^3.0.0",
 		"react-redux": "^7.2.4",
 		"react-router-dom": "^5.2.1",
 		"reflect-metadata": "^0.1.13",
diff --git a/src/backend/controllers/session.ts b/src/backend/controllers/session.ts
index c58a1c0..28d1420 100644
--- a/src/backend/controllers/session.ts
+++ b/src/backend/controllers/session.ts
@@ -3,12 +3,12 @@
  * @author Xeltica
  */
 
-import { IsEnum } from 'class-validator';
-import { Body, CurrentUser, Get, HttpCode, JsonController, OnUndefined, Post, Put } from 'routing-controllers';
+import { Body, CurrentUser, Get, JsonController, OnUndefined, Post, Put } from 'routing-controllers';
 import { DeepPartial } from 'typeorm';
 import { getScores } from '../functions/get-scores';
 import { updateUser } from '../functions/users';
 import { User } from '../models/entities/user';
+import { sendAlert } from '../services/send-alert';
 import { UserSetting } from './UserSetting';
 
 @JsonController('/session')
@@ -25,14 +25,19 @@ export class SessionController {
 	@OnUndefined(204)
 	@Put() async updateSetting(@CurrentUser({ required: true }) user: User, @Body() setting: UserSetting) {
 		const s: DeepPartial<User> = {};
-		if (setting.alertMode) s.alertMode = setting.alertMode;
-		if (setting.visibility) s.visibility = setting.visibility;
-		if (setting.localOnly) s.localOnly = setting.localOnly;
-		if (setting.remoteFollowersOnly) s.remoteFollowersOnly = setting.remoteFollowersOnly;
-		if (setting.template) s.template = setting.template;
+		if (setting.alertMode != null) s.alertMode = setting.alertMode;
+		if (setting.visibility != null) s.visibility = setting.visibility;
+		if (setting.localOnly != null) s.localOnly = setting.localOnly;
+		if (setting.remoteFollowersOnly != null) s.remoteFollowersOnly = setting.remoteFollowersOnly;
+		if (setting.template != null) s.template = setting.template;
 		if (Object.keys(s).length === 0) return;
 		await updateUser(user.username, user.host, s);
 	}
+
+	@OnUndefined(204)
+	@Post('/alert') async testAlert(@CurrentUser({ required: true }) user: User) {
+		await sendAlert(user);
+	}
 }
 
 
diff --git a/src/frontend/App.tsx b/src/frontend/App.tsx
index dbeebf1..3846ebe 100644
--- a/src/frontend/App.tsx
+++ b/src/frontend/App.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react';
+import React, { useState, useEffect, useCallback } from 'react';
 import { BrowserRouter, Link, Route, Switch, useLocation } from 'react-router-dom';
 import { Provider } from 'react-redux';
 
@@ -6,14 +6,46 @@ import { IndexPage } from './pages';
 import { RankingPage } from './pages/ranking';
 import { Header } from './components/Header';
 import { TermPage } from './pages/term';
-import { store } from './store';
+import { store, useSelector } from './store';
+import { ModalComponent } from './Modal';
 
 import 'xeltica-ui/dist/css/xeltica-ui.min.css';
 import './style.scss';
+import { ActualTheme } from './misc/theme';
 
 const AppInner : React.VFC = () => {
 	const $location = useLocation();
 
+	const theme = useSelector(state => state.screen.theme);
+
+	const [ osTheme, setOsTheme ] = useState<ActualTheme>('dark');
+
+	const applyTheme = useCallback(() => {
+		const actualTheme = theme === 'system' ? osTheme : theme;
+		if (actualTheme === 'dark') {
+			document.body.classList.add('dark');
+		} else {
+			document.body.classList.remove('dark');
+		}
+	}, [theme, osTheme]);
+
+	// テーマ変更に追従する
+	useEffect(() => {
+		applyTheme();
+	}, [theme, osTheme]);
+
+	// システムテーマ変更に追従する
+	useEffect(() => {
+		const q = window.matchMedia('(prefers-color-scheme: dark)');
+		setOsTheme(q.matches ? 'dark' : 'light');
+
+		const listener = () => setOsTheme(q.matches ? 'dark' : 'light');
+		q.addEventListener('change', listener);
+		return () => {
+			q.removeEventListener('change', listener);
+		};
+	}, [osTheme, setOsTheme]);
+
 	return (
 		<>
 			<div className="container">
@@ -27,6 +59,7 @@ const AppInner : React.VFC = () => {
 					<p>(C)2020-2021 Xeltica</p>
 					<p><Link to="/term">利用規約</Link></p>
 				</footer>
+				<ModalComponent />
 			</div>
 		</>
 	);
diff --git a/src/frontend/Modal.tsx b/src/frontend/Modal.tsx
new file mode 100644
index 0000000..98d1284
--- /dev/null
+++ b/src/frontend/Modal.tsx
@@ -0,0 +1,82 @@
+import React, { useCallback } from 'react';
+import { useSelector } from './store';
+import {
+	builtinDialogButtonNo,
+	builtinDialogButtonOk,
+	builtinDialogButtonYes,
+	DialogButton,
+	DialogButtonType,
+	DialogIcon,
+	ModalTypeDialog
+} from './modal/dialog';
+import { Modal } from './modal/modal';
+import { useDispatch } from 'react-redux';
+import { hideModal } from './store/slices/screen';
+
+const getButtons = (button: DialogButtonType): DialogButton[] => {
+	if (typeof button === 'object') return button;
+	switch (button) {
+		case 'ok': return [builtinDialogButtonOk];
+		case 'yesNo': return [builtinDialogButtonYes, builtinDialogButtonNo];
+	}
+};
+
+const dialogIconPattern: Record<DialogIcon, string> = {
+	error: 'bi bi-x-circle-fill text-danger',
+	info: 'bi bi-info-circle-fill text-primary',
+	question: 'bi bi-question-circle-fill text-primary',
+	warning: 'bi bi-exclamation-circle-fill text-warning',
+};
+
+const Dialog: React.VFC<{modal: ModalTypeDialog}> = ({modal}) => {
+	const buttons = getButtons(modal.buttons ?? 'ok');
+	const dispatch = useDispatch();
+
+	const onClickButton = useCallback((i: number) => {
+		dispatch(hideModal());
+		if (modal.onSelect) {
+			modal.onSelect(i);
+		}
+	}, [dispatch, modal]);
+
+	return (
+		<div className="card dialog text-center">
+			<div className="body">
+				{modal.icon && <div style={{fontSize: '2rem'}} className={dialogIconPattern[modal.icon]} />}
+				{modal.title && <h1>{modal.title}</h1>}
+				<p>{modal.message}</p>
+				<div className="hstack" style={{justifyContent: 'center'}}>
+					{
+						buttons.map((b, i) => (
+							<button className={`btn ${b.style}`} onClick={() => onClickButton(i)} key={i}>
+								{b.text}
+							</button>
+						))
+					}
+				</div>
+			</div>
+		</div>
+	);
+};
+
+const ModalInner = (modal: Modal) => {
+	switch (modal.type) {
+		case 'dialog': return <Dialog modal={modal} />;
+		case 'menu': return <p>Not Implemented</p>;
+	}
+};
+
+export const ModalComponent: React.VFC = () => {
+	const shown = useSelector(state => state.screen.modalShown);
+	const modal = useSelector(state => state.screen.modal);
+	const dispatch = useDispatch();
+	if (!shown || !modal) return null;
+
+	return (
+		<div className="modal" onClick={() => dispatch(hideModal())}>
+			<div className="fade up" onClick={(e) => e.stopPropagation()}>
+				{ ModalInner(modal) }
+			</div>
+		</div>
+	);
+};
diff --git a/src/frontend/components/SettingPage.tsx b/src/frontend/components/SettingPage.tsx
index 5b283b8..48c231c 100644
--- a/src/frontend/components/SettingPage.tsx
+++ b/src/frontend/components/SettingPage.tsx
@@ -1,25 +1,29 @@
-import React, { useCallback, useEffect, useMemo, useReducer, useState } from 'react';
-import { AlertMode } from '../../common/types/alert-mode';
+import React, { useCallback, useEffect, useReducer, useState } from 'react';
+import { alertModes } from '../../common/types/alert-mode';
 import { IUser } from '../../common/types/user';
-import { Visibility } from '../../common/types/visibility';
+import { visibilities, Visibility } from '../../common/types/visibility';
 import { useGetSessionQuery } from '../services/session';
 import { defaultTemplate } from '../../common/default-template';
 import { Card } from './Card';
 import { Theme } from '../misc/theme';
 import { API_ENDPOINT, LOCALSTORAGE_KEY_TOKEN } from '../const';
+import { useDispatch } from 'react-redux';
+import { changeTheme, showModal } from '../store/slices/screen';
+import { useSelector } from '../store';
 
-type SettingDraftType = Pick<IUser,
+type SettingDraftType = Partial<Pick<IUser,
 	| 'alertMode'
 	| 'visibility'
 	| 'localOnly'
 	| 'remoteFollowersOnly'
 	| 'template'
->;
+>>;
 
 type DraftReducer = React.Reducer<SettingDraftType, Partial<SettingDraftType>>;
 
 export const SettingPage: React.VFC = () => {
 	const session = useGetSessionQuery(undefined);
+	const dispatch = useDispatch();
 
 	const data = session.data;
 
@@ -48,23 +52,38 @@ export const SettingPage: React.VFC = () => {
 		},
 	];
 
-	const [currentTheme, setCurrentTheme] = useState<Theme>('light');
+	const currentTheme = useSelector(state => state.screen.theme);
 	const [currentLang, setCurrentLang] = useState<string>('ja-JP');
 
-	const updateSetting = useCallback(() => {
-		fetch(`${API_ENDPOINT}session`, {
+	const availableVisibilities: Visibility[] = [
+		'public',
+		'home',
+		'followers'
+	];
+
+	const updateSetting = useCallback((obj: SettingDraftType) => {
+		dispatchDraft(obj);
+		return fetch(`${API_ENDPOINT}session`, {
 			method: 'PUT',
 			headers: {
 				'Authorization': `Bearer ${localStorage[LOCALSTORAGE_KEY_TOKEN]}`,
 				'Content-Type': 'application/json',
 			},
-			body: JSON.stringify(draft),
-		})
-			.then(() => alert('設定を保存しました。'))
+			body: JSON.stringify(obj),
+		});
+	}, []);
+
+	const updateSettingWithDialog = useCallback((obj: SettingDraftType) => {
+		updateSetting(obj)
+			.then(() => dispatch(showModal({
+				type: 'dialog',
+				icon: 'info',
+				message: '保存しました。'
+			})))
 			.catch(e => {
 				alert(e.message);
 			});
-	}, [draft]);
+	}, [updateSetting]);
 
 	useEffect(() => {
 		if (data) {
@@ -78,26 +97,70 @@ export const SettingPage: React.VFC = () => {
 		}
 	}, [data]);
 
-	const saveButton = useMemo(() => (
-		<button className="btn primary" style={{alignSelf: 'flex-end'}} onClick={updateSetting}>
-			保存
-		</button>
-	), [updateSetting]);
+	const onClickSendAlert = useCallback(() => {
+		dispatch(showModal({
+			type: 'dialog',
+			title: 'アラートをテスト送信しますか？',
+			message: '現在の設定でアラートを送信します。設定が保存済みであるかどうか、実行前に必ずご確認ください。',
+			icon: 'question',
+			buttons: 'yesNo',
+			onSelect(i) {
+				if (i === 0) {
+					fetch(`${API_ENDPOINT}session/alert`, {
+						method: 'POST',
+						headers: {
+							'Authorization': `Bearer ${localStorage[LOCALSTORAGE_KEY_TOKEN]}`,
+						},
+					}).then(() => {
+						dispatch(showModal({
+							type: 'dialog',
+							message: '送信しました。',
+							icon: 'info',
+						}));
+					}).catch((e) => {
+						console.error(e);
+						dispatch(showModal({
+							type: 'dialog',
+							message: '送信に失敗しました。',
+							icon: 'error',
+						}));
+					});
+				}
+			},
+		}));
+	}, [dispatch]);
+
+	const onClickLogout = useCallback(() => {
+		dispatch(showModal({
+			type: 'dialog',
+			message: 'WIP',
+		}));
+	}, [dispatch]);
+
+	const onClickDeleteAccount = useCallback(() => {
+		dispatch(showModal({
+			type: 'dialog',
+			message: 'WIP',
+		}));
+	}, [dispatch]);
 
 	return session.isLoading || !data ? (
 		<div className="skeleton" style={{width: '100%', height: '128px'}}></div>
 	) : (
 		<div className="vstack fade">
 			<Card bodyClassName="vstack">
-				<h1>スコア通知方法</h1>
+				<h1>アラート送信方法</h1>
 				<div>
-					<select name="alertMode" className="input-field" value={draft.alertMode} onChange={(e) => {
-						dispatchDraft({ alertMode: e.target.value as AlertMode });
-					}}>
-						<option value="note">自動的にノートを投稿</option>
-						<option value="notification">Misskeyに通知(標準)</option>
-						<option value="nothing">通知しない</option>
-					</select>
+					{
+						alertModes.map((mode) => (
+							<label key={mode} className="input-check">
+								<input type="radio" checked={mode === draft.alertMode} onChange={() => {
+									updateSetting({ alertMode: mode });
+								}} />
+								<span>{mode}</span>
+							</label>
+						))
+					}
 					{draft.alertMode === 'notification' && (
 						<div className="alert bg-danger mt-2">
 							<i className="icon bi bi-exclamation-circle"></i>
@@ -108,21 +171,24 @@ export const SettingPage: React.VFC = () => {
 				{ draft.alertMode === 'note' && (
 					<div>
 						<label htmlFor="visibility" className="input-field">公開範囲</label>
-						<select name="visibility" className="input-field" value={draft.visibility} onChange={(e) => {
-							dispatchDraft({ visibility: e.target.value as Visibility });
-						}}>
-							<option value="public">パブリック</option>
-							<option value="home">ホーム</option>
-							<option value="followers">フォロワー</option>
-						</select>
-						<label className="input-switch mt-2">
-							<input type="checkbox" />
-							<div className="switch"></div>
+						{
+							availableVisibilities.map((visibility) => (
+								<label key={visibility} className="input-check">
+									<input type="radio" checked={visibility === draft.visibility} onChange={() => {
+										updateSetting({ visibility });
+									}} />
+									<span>{visibility}</span>
+								</label>
+							))
+						}
+						<label className="input-check mt-2">
+							<input type="checkbox" checked={draft.localOnly} onChange={(e) => {
+								updateSetting({ localOnly: e.target.checked });
+							}} />
 							<span>ローカル限定</span>
 						</label>
 					</div>
 				)}
-				{saveButton}
 			</Card>
 			<Card bodyClassName="vstack">
 				<h1>表示設定</h1>
@@ -131,7 +197,7 @@ export const SettingPage: React.VFC = () => {
 					{
 						themes.map(({ theme, name }) => (
 							<label key={theme} className="input-check">
-								<input type="radio" name={theme} value={theme} checked={theme === currentTheme} onChange={(e) => setCurrentTheme(e.target.value as Theme)} />
+								<input type="radio" value={theme} checked={theme === currentTheme} onChange={(e) => dispatch(changeTheme(e.target.value as Theme))} />
 								<span>{name}</span>
 							</label>
 						))
@@ -147,8 +213,8 @@ export const SettingPage: React.VFC = () => {
 
 			<Card bodyClassName="vstack">
 				<h1>テンプレート</h1>
-				<p>アラートの自動投稿をカスタマイズできます。テンプレートに使える文字数は280文字です。空欄にすると、デフォルト値にリセットされます。</p>
-				<textarea className="input-field" value={draft.template ?? defaultTemplate} style={{height: 228}} onChange={(e) => {
+				<p>アラートの自動投稿をカスタマイズできます。</p>
+				<textarea className="input-field" value={draft.template ?? defaultTemplate} placeholder={defaultTemplate} style={{height: 228}} onChange={(e) => {
 					dispatchDraft({ template: e.target.value });
 				}} />
 				<small className="text-dimmed">
@@ -160,24 +226,29 @@ export const SettingPage: React.VFC = () => {
 						<li><code>{'{'}notesCount{'}'}</code>といった形式のテキストは変数として扱われ、これを含めると投稿時に自動的に値が埋め込まれます。</li>
 					</ul>
 				</details>
-				{saveButton}
+				<div className="hstack" style={{justifyContent: 'flex-end'}}>
+					<button className="btn danger" onClick={() => dispatchDraft({ template: null })}>初期値に戻す</button>
+					<button className="btn primary" onClick={() => {
+						updateSettingWithDialog({ template: draft.template === '' ? null : draft.template });
+					}}>保存</button>
+				</div>
 			</Card>
 			<Card bodyClassName="vstack">
-				<button className="btn block">アラートをテスト送信する</button>
+				<button className="btn block" onClick={onClickSendAlert}>アラートをテスト送信する</button>
 				<p className="text-dimmed">
-					このボタンを押すと、現在の設定でアラートを送信するテストを行います。
+					現在の設定を用いて、アラート送信をテストします。
 				</p>
 			</Card>
 			<Card bodyClassName="vstack">
-				<button className="btn block">ログアウトする</button>
+				<button className="btn block" onClick={onClickLogout}>ログアウトする</button>
 				<p className="text-dimmed">
 					ログアウトしても、アラートは送信されます。
 				</p>
 			</Card>
 			<Card bodyClassName="vstack">
-				<button className="btn danger block">アカウント連携を解除する</button>
+				<button className="btn danger block" onClick={onClickDeleteAccount}>アカウント連携を解除する</button>
 				<p className="text-dimmed">
-					これを実行すると、Misskeyとの連携設定を含むみす廃アラートのアカウントを削除します。
+					Misskeyとの連携設定を含むみす廃アラートのアカウントを削除します。
 				</p>
 			</Card>
 		</div>
diff --git a/src/frontend/const.ts b/src/frontend/const.ts
index d9d5eab..e530223 100644
--- a/src/frontend/const.ts
+++ b/src/frontend/const.ts
@@ -1,3 +1,4 @@
 export const LOCALSTORAGE_KEY_TOKEN = 'token';
+export const LOCALSTORAGE_KEY_THEME = 'THEME';
 
 export const API_ENDPOINT = `//${location.host}/api/v1/`;
diff --git a/src/frontend/modal/dialog.ts b/src/frontend/modal/dialog.ts
new file mode 100644
index 0000000..82f5abc
--- /dev/null
+++ b/src/frontend/modal/dialog.ts
@@ -0,0 +1,33 @@
+export interface ModalTypeDialog {
+	type: 'dialog';
+	title?: string;
+	message: string;
+	icon?: DialogIcon;
+	buttons?: DialogButtonType;
+	onSelect?: (clickedButtonIndex: number) => void;
+}
+
+export type DialogIcon = 'info' | 'warning' | 'error' | 'question';
+
+export type DialogButtonType = 'ok' | 'yesNo' | DialogButton[];
+
+export type DialogButtonStyle = 'primary' | 'danger';
+
+export interface DialogButton {
+	text: string;
+	style?: DialogButtonStyle;
+}
+
+export const builtinDialogButtonOk: DialogButton = {
+	text: 'OK',
+	style: 'primary',
+};
+
+export const builtinDialogButtonYes: DialogButton = {
+	text: 'はい',
+	style: 'primary',
+};
+
+export const builtinDialogButtonNo: DialogButton = {
+	text: 'いいえ',
+};
diff --git a/src/frontend/modal/menu.ts b/src/frontend/modal/menu.ts
new file mode 100644
index 0000000..bce02a6
--- /dev/null
+++ b/src/frontend/modal/menu.ts
@@ -0,0 +1,16 @@
+export interface ModalTypeMenu {
+	type: 'menu';
+	screenX: number;
+	screenY: number;
+	items: MenuItem[];
+}
+
+export type MenuItemClassName = `bi bi-${string}`;
+
+export interface MenuItem {
+	icon?: MenuItemClassName;
+	name: string;
+	onClick: VoidFunction;
+	disabled?: boolean;
+	danger?: boolean;
+}
diff --git a/src/frontend/modal/modal.ts b/src/frontend/modal/modal.ts
new file mode 100644
index 0000000..7cac00b
--- /dev/null
+++ b/src/frontend/modal/modal.ts
@@ -0,0 +1,7 @@
+import { ModalTypeDialog } from './dialog';
+import { ModalTypeMenu } from './menu';
+
+export type Modal =
+	| ModalTypeMenu
+	| ModalTypeDialog;
+
diff --git a/src/frontend/store/index.ts b/src/frontend/store/index.ts
index ac5975d..4af1765 100644
--- a/src/frontend/store/index.ts
+++ b/src/frontend/store/index.ts
@@ -2,10 +2,12 @@ import { configureStore } from '@reduxjs/toolkit';
 import { setupListeners } from '@reduxjs/toolkit/dist/query';
 import { useSelector as useSelectorBase, TypedUseSelectorHook } from 'react-redux';
 import { sessionApi } from '../services/session';
+import ScreenReducer from './slices/screen';
 
 export const store = configureStore({
 	reducer: {
 		[sessionApi.reducerPath]: sessionApi.reducer,
+		screen: ScreenReducer,
 	},
 
 	middleware: (defaultMiddleware) => defaultMiddleware()
diff --git a/src/frontend/store/slices/screen.ts b/src/frontend/store/slices/screen.ts
new file mode 100644
index 0000000..e9a776e
--- /dev/null
+++ b/src/frontend/store/slices/screen.ts
@@ -0,0 +1,39 @@
+import { createSlice, PayloadAction } from '@reduxjs/toolkit';
+import { LOCALSTORAGE_KEY_THEME } from '../../const';
+import { Theme } from '../../misc/theme';
+import { Modal } from '../../modal/modal';
+
+interface ScreenState {
+	modal: Modal | null;
+	modalShown: boolean;
+	theme: Theme;
+}
+
+const initialState: ScreenState = {
+	modal: null,
+	modalShown: false,
+	theme: localStorage[LOCALSTORAGE_KEY_THEME] ?? 'system',
+};
+
+export const screenSlice = createSlice({
+	name: 'screen',
+	initialState,
+	reducers: {
+		showModal: (state, action: PayloadAction<Modal>) => {
+			state.modal = action.payload;
+			state.modalShown = true;
+		},
+		hideModal: (state) => {
+			state.modal = null;
+			state.modalShown = false;
+		},
+		changeTheme: (state, action: PayloadAction<Theme>) => {
+			state.theme = action.payload;
+			localStorage[LOCALSTORAGE_KEY_THEME] = action.payload;
+		},
+	},
+});
+
+export const { showModal, hideModal, changeTheme } = screenSlice.actions;
+
+export default screenSlice.reducer;
diff --git a/src/frontend/style.scss b/src/frontend/style.scss
index da02444..1f9f633 100644
--- a/src/frontend/style.scss
+++ b/src/frontend/style.scss
@@ -1,5 +1,6 @@
 body {
     --primary: rgb(134, 179, 0);
+    font-feature-settings: "pkna";
 }
 
 .xarticle {
@@ -9,9 +10,24 @@ body {
 
 .fade {
     animation: 0.3s ease-out 0s fadeIn;
+    &.down {
+        animation-name: fadeInUp;
+    }
+    &.up {
+        animation-name: fadeInUp;
+    }
 }
 
 @keyframes fadeIn {
+    from {
+        opacity: 0;
+    }
+    to {
+        opacity: 1;
+    }
+}
+
+@keyframes fadeInDown {
     from {
         opacity: 0;
         transform: translateY(-8px);
@@ -22,6 +38,17 @@ body {
     }
 }
 
+@keyframes fadeInUp {
+    from {
+        opacity: 0;
+        transform: translateY(8px);
+    }
+    to {
+        opacity: 1;
+        transform: none;
+    }
+}
+
 .block {
     display: block !important;
 }
@@ -33,3 +60,19 @@ body {
 small {
     font-size: 0.8rem;
 }
+
+.modal {
+    position: fixed;
+    inset: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    background: #000000c0;
+    z-index: 40000;
+}
+
+.dark .card.dialog {
+    background: var(--tone-2);
+    min-width: min(100vw, 320px);
+    max-width: min(100vw, 600px);
+}
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index a661718..662b491 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4275,6 +4275,11 @@ react-is@^16.13.1, react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1:
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
 
+react-modal-hook@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/react-modal-hook/-/react-modal-hook-3.0.0.tgz#24b2ff2acf288ef25c11e4fb11b329458a823ea3"
+  integrity sha512-mNkJwgEtOoIabuILlWnGAto993WVkimZASBWk/rAGZ6tNIqjx4faQtNdr/X31vw+QGfKhspXc4vPi1jbfkk2Yg==
+
 react-redux@^7.2.4:
   version "7.2.4"
   resolved "https://registry.yarnpkg.com/react-redux/-/react-redux-7.2.4.tgz#1ebb474032b72d806de2e0519cd07761e222e225"