Ricaidito

import { useEffect, useState } from "react";

const defaultSize = 640;

export const useScreenSize = (sizeToCheck = defaultSize) => {
  const [sizeOnBounds, setSizeOnBounds] = useState(
    window.innerWidth <= sizeToCheck
  );

  const sizeChecker = () => {

Ricaidito

import { useState, useEffect } from "react";

export const useStopwatch = () => {
  const [time, setTime] = useState(0);
  const [isRunning, setIsRunning] = useState(false);

  useEffect(() => {
    let interval;
    if (isRunning) {
      interval = setInterval(() => {

Ricaidito

import { useState } from "react";
import "./dropdown.css";

const Dropdown = ({ selected, setSelected }) => {
  const [isActive, setIsActive] = useState(false);
  const options = ["Option1", "Option2", "Option3"];

  return (
    <div className="dropdown">
      <div className="dropdown-btn" onClick={() => setIsActive(!isActive)}>