IvanRadchenko

.download:before {
    background: url("images/download-arrow.svg") no-repeat scroll center center / 100% auto rgba(0, 0, 0, 0);
    content: "";
    display: inline-block;
    color: #fff;
    height: 30px;
    margin-right: 13px;
    position: relative;
    top: -2px;
    vertical-align: middle;

IvanRadchenko

import {
  Dispatch,
  SetStateAction,
  useCallback,
  useEffect,
  useState,
} from 'react';

const isFunction = (fn: unknown): fn is Function => (typeof fn === 'function');