JSFiddle - React, Tailwind, and code Playground

by Hamzailyas434

HTML

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <link rel="shortcut icon" type="image/png" href="img/icon.png" />

    <link
      href="https://fonts.googleapis.com/css?family=Poppins:300,400,500,600&display=swap"
      rel="stylesheet"
    />
    <link rel="stylesheet" href="style.css" />
    <title>Bankist | When Banking meets Minimalist</title>
  </head>
  <body>
    <header class="header">
      <nav class="nav">
        <img
         ...

CSS

:root {
  --color-primary: #5ec576;
  --color-secondary: #ffcb03;
  --color-tertiary: #ff585f;
  --color-primary-darker: #4bbb7d;
  --color-secondary-darker: #ffbb00;
  --color-tertiary-darker: #fd424b;
  --color-primary-opacity: #5ec5763a;
  --color-secondary-opacity: #ffcd0331;
  --color-tertiary-opacity: #ff58602d;
  --gradient-primary: linear-gradient(to top left, #39b385, #9be15d);
  --gradient-secondary: linear-gradient(to top left, #ffb003, #ffcb03);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

html {
  font-size: 62.5%;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  font-weight: 300;
  color: #444;
  line-height: 1.9;
  background-color: #f3f3f3;
}

/* GENERAL ELEMENTS */
.section {
  padding: 15rem 3rem;
  border-top: 1px solid #ddd;

  transition: transform 1s, opacity 1s;
}

.section--hidden {
  opacity: 0;
  transform: translateY(8rem);
}

.section__title {
  max-width: 80rem;
  margin: 0 auto 8rem auto;
}

.section__description {
  font-size: 1.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section__header {
  font-size: 4rem;
  line-height: 1.3;
  font-weight: 500;
}

.btn {
  display: inline-block;
  background-color: var(--color-primary);
  font-size: 1.6rem;
  font-family: inherit;
  font-weight: 500;
  border: none;
  padding: 1.25rem 4.5rem;
  border-radius: 10rem;
  cursor: pointer;
  transition: all 0.3s;
}

.btn:hover {
  background-color: var(--color-primary-darker);
}

.btn--text {
  display: inline-block;
  background: none;
  font-size: 1.7rem;
  font-family: inherit;
  font-weight: 500;
  color: var(--color-primary);
  border: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  cursor: pointer;
  transition: all 0.3s;
}

p {
  color: #666;
}

/* This is BAD for accessibility! Don't do in the real world! */
button:focus {
  outline: none;
}

img {
  transition: filter 0.5s;
}

.lazy-img {
  filter:...

JavaScript

/* Smooth Scroll Navigation */
document.querySelector('.nav__links').addEventListener('click', function (e) {
  console.log(e.target);
  // Matching stratgey
  e.preventDefault();
  if (e.target.classList.contains('nav__link')) {
    const id = e.target.getAttribute('href');
    document.querySelector(id).scrollIntoView({ behavior: 'smooth' });
  }
});

/* Sticky Navigation */
const nav = document.querySelector('.nav');
const header = document.querySelector('.header');
const navHeight = nav.getBoundingClientRect().height;
const stickyNav = function (entries) {
  const [entry] = entries;
  if (!entry.isIntersecting) nav.classList.add('sticky');
  else nav.classList.remove('sticky');
};
let options = {
  root: null,
  threshold: 0,
  rootMargin: `-${navHeight}px`,
};
const headerObserver = new IntersectionObserver(stickyNav, options);
headerObserver.observe(header);