5 files changed, 13 insertions, 20 deletions
diff --git a/package-lock.json b/package-lock.json
index 080ae60..41430ec 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10798,14 +10798,6 @@
         }
       }
     },
-    "react-device-detect": {
-      "version": "1.13.1",
-      "resolved": "https://registry.npmjs.org/react-device-detect/-/react-device-detect-1.13.1.tgz",
-      "integrity": "sha512-XTPgAMsUVHC5lMNUGiAeO2UfAfhMfjq0CBUM67eHnc9XfO7iESh6h/cffKV8VGgrZBX+dyuqJl23bLLHoav5Ig==",
-      "requires": {
-        "ua-parser-js": "^0.7.21"
-      }
-    },
     "react-dom": {
       "version": "16.13.1",
       "resolved": "https://registry.npmjs.org/react-dom/-/react-dom-16.13.1.tgz",
@@ -13197,11 +13189,6 @@
       "integrity": "sha512-hSAifV3k+i6lEoCJ2k6R2Z/rp/H3+8sdmcn5NrS3/3kE7+RyZXm9aqvxWqjEXHAd8b0pShatpcdMTvEdvAJltQ==",
       "dev": true
     },
-    "ua-parser-js": {
-      "version": "0.7.21",
-      "resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.21.tgz",
-      "integrity": "sha512-+O8/qh/Qj8CgC6eYBVBykMrNtp5Gebn4dlGD/kKXVkJNDwyrAwSIqwz8CDf+tsAIWVycKcku6gIXJ0qwx/ZXaQ=="
-    },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
diff --git a/package.json b/package.json
index 67164a7..40797fe 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,6 @@
     "lodash": "^4.17.15",
     "notistack": "^0.9.17",
     "react": "^16.13.1",
-    "react-device-detect": "^1.13.1",
     "react-dom": "^16.13.1",
     "react-icons": "^3.10.0",
     "react-scripts": "3.4.1",
diff --git a/src/components/Header/Header.tsx b/src/components/Header/Header.tsx
index c6c1608..e7f9f47 100644
--- a/src/components/Header/Header.tsx
+++ b/src/components/Header/Header.tsx
@@ -3,15 +3,16 @@ import {
   AppBar,
   Toolbar,
   IconButton,
-  Typography, Avatar
+  Typography,
+  Avatar,
+  useMediaQuery
 } from '@material-ui/core';
-import { makeStyles } from '@material-ui/core/styles';
+import { makeStyles, useTheme } from '@material-ui/core/styles';
 import AccountCircle from '@material-ui/icons/AccountCircle';
 import NotificationsIcon from '@material-ui/icons/Notifications';
 import HomeIcon from '@material-ui/icons/Home';
 import { useAuth } from '../../hooks/useAuth';
 import { useNavigate } from '../../hooks/useNavigate';
-import { isMobile } from 'react-device-detect';
 
 import SearchBar from './SearchBar';
 
@@ -43,6 +44,8 @@ const Header: React.FC = () => {
   const classes = useStyles();
   const { user } = useAuth();
   const { navigate } = useNavigate();
+  const theme = useTheme();
+  const isMobile = useMediaQuery(theme.breakpoints.down('sm'));
 
   const handleHome = (): void => {
     navigate('home');
diff --git a/src/pages/Page.tsx b/src/pages/Page.tsx
index 4c46ea8..91b7214 100644
--- a/src/pages/Page.tsx
+++ b/src/pages/Page.tsx
@@ -1,7 +1,6 @@
 import React from 'react';
 import { makeStyles } from '@material-ui/core/styles';
 import { SnackbarProvider } from 'notistack';
-import { isMobile } from 'react-device-detect';
 
 import ProfilePage from './ProfilePage/ProfilePage';
 import FeedPage from './FeedPage/FeedPage';
@@ -13,7 +12,12 @@ import { useNavigate } from '../hooks/useNavigate';
 
 const useStyles = makeStyles(theme => ({
   root: {
-    margin: isMobile ? theme.spacing(2) : theme.spacing(15, 5, 5, 8)
+    [theme.breakpoints.down('sm')]: {
+      margin: theme.spacing(2)
+    },
+    [theme.breakpoints.up('md')]: {
+      margin: theme.spacing(15, 5, 5, 8)
+    }
   }
 }));
 
diff --git a/src/pages/ProfilePage/ProfilePage.tsx b/src/pages/ProfilePage/ProfilePage.tsx
index 9a8f69a..b7a4a75 100644
--- a/src/pages/ProfilePage/ProfilePage.tsx
+++ b/src/pages/ProfilePage/ProfilePage.tsx
@@ -36,7 +36,7 @@ const ProfilePage: React.FC = () => {
   }, [navigate, page, user]);
 
   return (
-    <Container maxWidth="sm">
+    <Container maxWidth="sm" disableGutters>
       <ProfileInfo
         userInfo={userInfo}
         setUserInfo={setUserInfo}