JSFiddle - React, Tailwind, and code Playground

by Juan Muñoz

HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.1.3/css/bootstrap.min.css">
	<header class="cd-header">
		<div class="header-wrapper">
			<div class="logo-wrap">
				<a href="#" class="hover-target"><span>your</span>logo</a>
			</div>
			<div class="nav-but-wrap">
				<div class="menu-icon hover-target">
					<span class="menu-icon__line menu-icon__line-left"></span>
					<span class="menu-icon__line"></span>
					<span class="menu-icon__line menu-icon__line-right"></span>
				</div>					
			</div>					
		</div>				
	</header>

	<div class="nav">
		<div class="nav__content">
			<ul class="nav__list">
				<li class="nav__list-item active-nav"><a href="#" class="hover-target">home</a></li>
				<li class="nav__list-item"><a href="#" class="hover-target">studio</a></li>
				<li class="nav__list-item"><a href="#" class="hover-target">news</a></li>
				<li class="nav__list-item"><a href="#" class="hover-target">contact</a></li>
			</ul>
		</div>
	</div>		
https://codepen.io/ig_design/pen/VgaXaY?editors=1100
	<div class="section full-height over-hide">	
		<div class="switch-wrap">
			<h1>overlay menu</h1>
			<div id="switch" class="hover-target">
				<div id="circle"></div>
			</div>
			<p><span>dark</span> - <span>light</span></p>
		</div>
	</div>	
	
	<div class='cursor' id="cursor"></div>
	<div class='cursor2' id="cursor2"></div>
	<div class='cursor3' id="cursor3"></div>

<!-- Link to page
================================================== -->

<a href="https://themeforest.net/user/ig_design/portfolio"      class="link-to-portfolio hover-target" target=”_blank”></a>

CSS

/* Please ❤ this if you like it! */


@import url('https://fonts.googleapis.com/css?family=Montserrat:100,100i,200,200i,300,300i,400,400i,500,500i,600,600i,700,700i,800,800i,900,900i');

body{
	font-family: 'Montserrat', sans-serif;
	font-weight: 300;
	font-size: 15px;
	line-height: 1.7;
	color: #c4c3ca;
	background-color: #1f2029;
	overflow-x: hidden;
	-webkit-transition: all 300ms linear;
	transition: all 300ms linear;
}
a {
	cursor: pointer;
}
a:hover {
	text-decoration: none;
}

/* #Cursor
================================================== */

.cursor,
.cursor2,
.cursor3{
	position: fixed;
	border-radius: 50%;	
	transform: translateX(-50%) translateY(-50%);
	pointer-events: none;
	left: -100px;
	top: 50%;
	mix-blend-mode: difference;
	-webkit-transition: all 300ms linear;
	transition: all 300ms linear;
}
.cursor{
	background-color: #fff;
	height: 0;
	width: 0;
	z-index: 99999;
}
.cursor2,.cursor3{
	height: 36px;
	width: 36px;
	z-index:99998;
	-webkit-transition:all 0.3s ease-out;
	transition:all 0.3s ease-out
}
.cursor2.hover,
.cursor3.hover{
	-webkit-transform:scale(2) translateX(-25%) translateY(-25%);
	transform:scale(2) translateX(-25%) translateY(-25%);
	border:none
}
.cursor2{
	border: 2px solid #fff;
	box-shadow: 0 0 22px rgba(255, 255, 255, 0.6);
}
.cursor2.hover{
	background: rgba(255,255,255,1);
	box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}

@media screen and (max-width: 1200px){
	.cursor,.cursor2,.cursor3{
		display: none
	}
}

/* #Primary style
================================================== */

.section {
    position: relative;
	width: 100%;
	display: block;
}
.over-hide{
	overflow: hidden;
}
.full-height {
	height: 100vh;
}

/* #Navigation
================================================== */
 
.cd-header{
    position: fixed;
	width:100%;
	top:0;
	left:0;
	z-index:100;
} 
.header-wrapper{
    position: relative;
	width: calc(100% - 100px);
	margin-left: 50px;
} 
.logo-wrap {
	position: absolute;
	display:block;
	left:0;
	top:...

JavaScript

/* Please ❤ this if you like it! */


(function($) { "use strict";
		
	//Page cursors

    document.getElementsByTagName("body")[0].addEventListener("mousemove", function(n) {
        t.style.left = n.clientX + "px", 
		t.style.top = n.clientY + "px", 
		e.style.left = n.clientX + "px", 
		e.style.top = n.clientY + "px", 
		i.style.left = n.clientX + "px", 
		i.style.top = n.clientY + "px"
    });
    var t = document.getElementById("cursor"),
        e = document.getElementById("cursor2"),
        i = document.getElementById("cursor3");
    function n(t) {
        e.classList.add("hover"), i.classList.add("hover")
    }
    function s(t) {
        e.classList.remove("hover"), i.classList.remove("hover")
    }
    s();
    for (var r = document.querySelectorAll(".hover-target"), a = r.length - 1; a >= 0; a--) {
        o(r[a])
    }
    function o(t) {
        t.addEventListener("mouseover", n), t.addEventListener("mouseout", s)
    }
	
	//Navigation

	var app = function () {
		var body = undefined;
		var menu = undefined;
		var menuItems = undefined;
		var init = function init() {
			body = document.querySelector('body');
			menu = document.querySelector('.menu-icon');
			menuItems = document.querySelectorAll('.nav__list-item');
			applyListeners();
		};
		var applyListeners = function applyListeners() {
			menu.addEventListener('click', function () {
				return toggleClass(body, 'nav-active');
			});
		};
		var toggleClass = function toggleClass(element, stringClass) {
			if (element.classList.contains(stringClass)) element.classList.remove(stringClass);else element.classList.add(stringClass);
		};
		init();
	}();

	
	//Switch light/dark
	
	$("#switch").on('click', function () {
		if ($("body").hasClass("light")) {
			$("body").removeClass("light");
			$("#switch").removeClass("switched");
		}
		else {
			$("body").addClass("light");
			$("#switch").addClass("switched");
		}
	});
	
})(jQuery);