Build and Deploy a Modern YouTube Clone Application in React JS with Material UI 5

constants.js

import MusicNoteIcon from '@mui/icons-material/MusicNote';
import HomeIcon from '@mui/icons-material/Home';
import CodeIcon from '@mui/icons-material/Code';
import OndemandVideoIcon from '@mui/icons-material/OndemandVideo';
import SportsEsportsIcon from '@mui/icons-material/SportsEsports';
import LiveTvIcon from '@mui/icons-material/LiveTv';
import SchoolIcon from '@mui/icons-material/School';
import FaceRetouchingNaturalIcon from '@mui/icons-material/FaceRetouchingNatural';
import CheckroomIcon from '@mui/icons-material/Checkroom';
import GraphicEqIcon from '@mui/icons-material/GraphicEq';
import TheaterComedyIcon from '@mui/icons-material/TheaterComedy';
import FitnessCenterIcon from '@mui/icons-material/FitnessCenter';
import DeveloperModeIcon from '@mui/icons-material/DeveloperMode';

export const logo = 'https://i.ibb.co/s9Qys2j/logo.png';

export const categories = [
  { name: 'New', icon: <HomeIcon />, },
  { name: 'JS Mastery', icon: <CodeIcon />, },
  { name: 'Coding', icon: <CodeIcon />, },
  { name: 'ReactJS', icon: <CodeIcon />, },
  { name: 'NextJS', icon: <CodeIcon />, },
  { name: 'Music', icon: <MusicNoteIcon /> },
  { name: 'Education', icon: <SchoolIcon />, },
  { name: 'Podcast', icon: <GraphicEqIcon />, },
  { name: 'Movie', icon: <OndemandVideoIcon />, },
  { name: 'Gaming', icon: <SportsEsportsIcon />, },
  { name: 'Live', icon: <LiveTvIcon />, },
  { name: 'Sport', icon: <FitnessCenterIcon />, },
  { name: 'Fashion', icon: <CheckroomIcon />, },
  { name: 'Beauty', icon: <FaceRetouchingNaturalIcon />, },
  { name: 'Comedy', icon: <TheaterComedyIcon />, },
  { name: 'Gym', icon: <FitnessCenterIcon />, },
  { name: 'Crypto', icon: <DeveloperModeIcon />, },
];

export const demoThumbnailUrl = 'https://i.ibb.co/G2L2Gwp/API-Course.png';
export const demoChannelUrl = '/channel/UCmXmlB4-HJytD7wek0Uo97A';
export const demoVideoUrl = '/video/GDa8kZLNhJ4';
export const demoChannelTitle = 'JavaScript Mastery';
export const demoVideoTitle = 'Build and Deploy 5 JavaScript & React API Projects in 10 Hours - Full Course | RapidAPI';
export const demoProfilePicture = 'http://dergipark.org.tr/assets/app/images/buddy_sample.png'

index.css

html,
body {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: black;
}

::-webkit-scrollbar {
  width: 0px;
  height: 5px;
}

::-webkit-scrollbar-thumb {
  background-color: rgb(114, 113, 113);
  border-radius: 10px;
  height: 200px;
}

::-webkit-scrollbar-track {
  background-color: transparent;
}

.category-btn:hover {
  background-color: #FC1503 !important;
  color: white !important;
}

.category-btn:hover span{
  color: white !important;
}

.react-player {
  height: 77vh !important;
  width: 100% !important;
}

.search-bar{
  border:none;
  outline:none;
  width:350px;
}

.category-btn{
  font-weight: bold !important;
  text-transform: capitalize;
  display: flex;
  align-items: center;
  justify-content: start;
  cursor:pointer;
  background: transparent;
  outline: none;
  border: none;

  padding: 7px 15px;
  margin: 10px 0px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

@media screen and (max-width: 900px) {
  .category-btn{
    margin: 10px;
  }
}

@media screen and (max-width:800px){
  .copyright{
    display:none !important;
  }
}

@media screen and (max-width: 600px) {
  .scroll-horizontal {
    overflow: auto !important;
  }

  .react-player {
    height: 45vh !important;
  }
  .search-bar{
    width:200px;
  }
}

package.json

{
  "name": "project_youtube_video_player",
  "version": "1.0.0",
  "private": true,
  "dependencies": {
    "@emotion/react": "^11.10.0",
    "@emotion/styled": "^11.10.0",
    "@mui/icons-material": "^5.8.4",
    "@mui/material": "^5.9.3",
    "axios": "^0.27.2",
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-player": "^2.10.1",
    "react-router-dom": "^6.3.0",
    "react-scripts": "^5.0.1"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  }
}

If any one is facing issue just remove the key from .env file and leave it as it was in fetchFromApi.js file