Web Design

Morphing Modal Window Using HTML, CSS & Javascript

ByFull To Tech

Apr 4, 2019 #Modal Window, #Morphing Modal
Morphing Modal Window Using HTML, CSS & Javascript

In this blog, we learn how to create morphing modal window using HTML, CSS and Javascript.

First of all, create an HTML File and paste the below code.
HTML CODE:

<!doctype html>
<html lang="en" class="no-js">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">

	<link href='http://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700' rel='stylesheet' type='text/css'>

	<link rel="stylesheet" href="css/reset.css"> <!-- CSS reset -->
	<link rel="stylesheet" href="css/style.css"> <!-- Resource style -->
	<script src="js/modernizr.js"></script> <!-- Modernizr -->
  	
	<title>Morphing Modal Window</title>
</head>
<body>
	<header>
		<h1>Morphing Modal Window</h1>	
	</header>

	<section class="cd-section">
		<p>
			Lorem ipsum dolor sit amet, consectetur adipisicing elit. Non ipsum repudiandae sequi ut optio reiciendis consectetur, cum, a provident, iusto quod esse, perferendis iure iste! Quidem itaque, exercitationem aliquam, mollitia recusandae repellat dolores quibusdam minima quae reprehenderit ut, reiciendis officia.
		</p>

		<div class="cd-modal-action">
			<a href="#0" class="btn" data-type="modal-trigger">Fire Modal Window</a>
			<span class="cd-modal-bg"></span>
		</div> <!-- cd-modal-action -->

		<div class="cd-modal">
			<div class="cd-modal-content">
				<p>
					Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad modi repellendus, optio eveniet eligendi molestiae? Fugiat, temporibus! A rerum pariatur neque laborum earum, illum voluptatibus eum voluptatem fugiat, porro animi tempora? Sit harum nulla, nesciunt molestias, iusto aliquam aperiam est qui possimus reprehenderit ipsam ea aut assumenda inventore iste! Animi quaerat facere repudiandae earum quisquam accusamus tempora, delectus nesciunt, provident quae aliquam, voluptatum beatae quis similique in maiores repellat eligendi voluptas veniam optio illum vero! Eius, dignissimos esse eligendi veniam.
				</p>
				<p>
					Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad modi repellendus, optio eveniet eligendi molestiae? Fugiat, temporibus! A rerum pariatur neque laborum earum, illum voluptatibus eum voluptatem fugiat, porro animi tempora? Sit harum nulla, nesciunt molestias, iusto aliquam aperiam est qui possimus reprehenderit ipsam ea aut assumenda inventore iste! Animi quaerat facere repudiandae earum quisquam accusamus tempora, delectus nesciunt, provident quae aliquam, voluptatum beatae quis similique in maiores repellat eligendi voluptas veniam optio illum vero! Eius, dignissimos esse eligendi veniam.
				</p>
				<p>
					Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ad modi repellendus, optio eveniet eligendi molestiae? Fugiat, temporibus! A rerum pariatur neque laborum earum, illum voluptatibus eum voluptatem fugiat, porro animi tempora? Sit harum nulla, nesciunt molestias, iusto aliquam aperiam est qui possimus reprehenderit ipsam ea aut assumenda inventore iste! Animi quaerat facere repudiandae earum quisquam accusamus tempora, delectus nesciunt, provident quae aliquam, voluptatum beatae quis similique in maiores repellat eligendi voluptas veniam optio illum vero! Eius, dignissimos esse eligendi veniam.
				</p>
			</div> <!-- cd-modal-content -->
		</div> <!-- cd-modal -->

		<a href="#0" class="cd-modal-close">Close</a>
	</section> <!-- .cd-section -->
	
<script src="js/jquery-2.1.1.js"></script>
<script src="js/velocity.min.js"></script>
<script src="js/main.js"></script> <!-- Resource jQuery -->
</body>
</html>

Now create a CSS file and paste the below code.

*, *::after, *::before {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

body {
  font-size: 1.6rem;
  font-family: "Source Sans Pro", sans-serif;
  color: #34383c;
  background-color: #ffffff;
}
body.overflow-hidden {
  /* used when modal is visible */
  overflow: hidden;
}

a {
  color: #03bb91;
  text-decoration: none;
}
/* -------------------------------- 
Main Components 
-------------------------------- */
header {
  position: relative;
  height: 160px;
  line-height: 160px;
}
header h1 {
  font-size: 2.4rem;
  text-align: center;
}
@media only screen and (min-width: 1170px) {
  header {
    height: 240px;
    line-height: 240px;
  }
  header h1 {
    font-size: 3.2rem;
    font-weight: 300;
  }
}

.cd-section {
  padding: 2em 5%;
  text-align: center;
  background-color: #03bb91;
}
.cd-section p {
  margin: 2em 0;
  line-height: 1.6;
  color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@media only screen and (min-width: 768px) {
  .cd-section {
    padding: 4em 10%;
  }
  .cd-section p {
    font-size: 1.8rem;
    line-height: 2;
  }
}
@media only screen and (min-width: 1170px) {
  .cd-section {
    padding: 4em 20%;
  }
}

.cd-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  -webkit-transition: visibility 0s 0.3s, opacity 0.3s 0s, z-index 0s 0.3s;
  -moz-transition: visibility 0s 0.3s, opacity 0.3s 0s, z-index 0s 0.3s;
  transition: visibility 0s 0.3s, opacity 0.3s 0s, z-index 0s 0.3s;
}
.cd-modal::after {
  /* gradient overlay at bottom of modal window */
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 60px;
  pointer-events: none;
  background: transparent;
  background: -webkit-linear-gradient( bottom , #34383c, rgba(52, 56, 60, 0));
  background: linear-gradient(to top, #34383c, rgba(52, 56, 60, 0));
}
.cd-modal .cd-modal-content {
  height: 100%;
  width: 100%;
  padding: 3em 5%;
  text-align: left;
  overflow-y: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.cd-modal p {
  color: #ffffff;
  line-height: 1.6;
  margin: 2em 0;
}
.modal-is-visible .cd-modal {
  z-index: 1;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  -webkit-transition: visibility 0s 0s, opacity 0.3s 0s, z-index 0s 0s;
  -moz-transition: visibility 0s 0s, opacity 0.3s 0s, z-index 0s 0s;
  transition: visibility 0s 0s, opacity 0.3s 0s, z-index 0s 0s;
}
.modal-is-visible .cd-modal .cd-modal-content {
  -webkit-overflow-scrolling: touch;
}
@media only screen and (min-width: 768px) {
  .cd-modal .cd-modal-content {
    padding: 4em 10%;
  }
}
@media only screen and (min-width: 1170px) {
  .cd-modal .cd-modal-content {
    padding: 6em 20%;
  }
  .cd-modal p {
    font-size: 2rem;
    line-height: 2;
  }
}

.cd-modal-action {
  position: relative;
}
.cd-modal-action .btn, .cd-modal-action .cd-modal-bg {
  display: inline-block;
  height: 4em;
  background-color: #34383c;
}
.cd-modal-action .btn {
  width: 12.5em;
  border-radius: 5em;
  color: #ffffff;
  line-height: 4em;
  white-space: nowrap;
  font-weight: 700;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-transition: color 0.2s 0.3s, width 0.3s 0s;
  -moz-transition: color 0.2s 0.3s, width 0.3s 0s;
  transition: color 0.2s 0.3s, width 0.3s 0s;
}
.cd-modal-action .btn.to-circle {
  width: 4em;
  color: transparent;
  -webkit-transition: color 0.2s 0s, width 0.3s 0.2s;
  -moz-transition: color 0.2s 0s, width 0.3s 0.2s;
  transition: color 0.2s 0s, width 0.3s 0.2s;
}
.cd-modal-action .cd-modal-bg {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 0;
  width: 4em;
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  -webkit-transform: translateZ(0);
  -moz-transform: translateZ(0);
  -ms-transform: translateZ(0);
  -o-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-transform: translateX(-2em);
  -moz-transform: translateX(-2em);
  -ms-transform: translateX(-2em);
  -o-transform: translateX(-2em);
  transform: translateX(-2em);
  -webkit-transition: visibility 0s 0.5s;
  -moz-transition: visibility 0s 0.5s;
  transition: visibility 0s 0.5s;
}
.cd-modal-action .cd-modal-bg.is-visible {
  opacity: 1;
  visibility: visible;
}

.cd-modal-close {
  position: fixed;
  z-index: 1;
  top: 20px;
  right: 5%;
  height: 50px;
  width: 50px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3) url(../img/cd-icon-close.svg) no-repeat center center;
  /* image replacement */
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
  visibility: hidden;
  opacity: 0;
  -webkit-transform: translateZ(0);
  -moz-transform: translateZ(0);
  -ms-transform: translateZ(0);
  -o-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-transform: scale(0);
  -moz-transform: scale(0);
  -ms-transform: scale(0);
  -o-transform: scale(0);
  transform: scale(0);
  -webkit-transition: -webkit-transform 0.3s 0s, visibility 0s 0.3s, opacity 0.3s 0s;
  -moz-transition: -moz-transform 0.3s 0s, visibility 0s 0.3s, opacity 0.3s 0s;
  transition: transform 0.3s 0s, visibility 0s 0.3s, opacity 0.3s 0s;
}
.no-touch .cd-modal-close:hover {
  background-color: rgba(0, 0, 0, 0.5);
}
.modal-is-visible .cd-modal-close {
  visibility: visible;
  opacity: 1;
  -webkit-transition: -webkit-transform 0.3s 0s, visibility 0s 0s, opacity 0.3s 0s;
  -moz-transition: -moz-transform 0.3s 0s, visibility 0s 0s, opacity 0.3s 0s;
  transition: transform 0.3s 0s, visibility 0s 0s, opacity 0.3s 0s;
  -webkit-transform: scale(1);
  -moz-transform: scale(1);
  -ms-transform: scale(1);
  -o-transform: scale(1);
  transform: scale(1);
}
@media only screen and (min-width: 768px) {
  .cd-modal-close {
    top: 70px;
  }
}

Javascript code:

jQuery(document).ready(function($){
	//trigger the animation - open modal window
	$('[data-type="modal-trigger"]').on('click', function(){
		var actionBtn = $(this),
			scaleValue = retrieveScale(actionBtn.next('.cd-modal-bg'));
		
		actionBtn.addClass('to-circle');
		actionBtn.next('.cd-modal-bg').addClass('is-visible').one('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function(){
			animateLayer(actionBtn.next('.cd-modal-bg'), scaleValue, true);
		});

		//if browser doesn't support transitions...
		if(actionBtn.parents('.no-csstransitions').length > 0 ) animateLayer(actionBtn.next('.cd-modal-bg'), scaleValue, true);
	});

	//trigger the animation - close modal window
	$('.cd-section .cd-modal-close').on('click', function(){
		closeModal();
	});
	$(document).keyup(function(event){
		if(event.which=='27') closeModal();
	});

	$(window).on('resize', function(){
		//on window resize - update cover layer dimention and position
		if($('.cd-section.modal-is-visible').length > 0) window.requestAnimationFrame(updateLayer);
	});

	function retrieveScale(btn) {
		var btnRadius = btn.width()/2,
			left = btn.offset().left + btnRadius,
			top = btn.offset().top + btnRadius - $(window).scrollTop(),
			scale = scaleValue(top, left, btnRadius, $(window).height(), $(window).width());

		btn.css('position', 'fixed').velocity({
			top: top - btnRadius,
			left: left - btnRadius,
			translateX: 0,
		}, 0);

		return scale;
	}

	function scaleValue( topValue, leftValue, radiusValue, windowW, windowH) {
		var maxDistHor = ( leftValue > windowW/2) ? leftValue : (windowW - leftValue),
			maxDistVert = ( topValue > windowH/2) ? topValue : (windowH - topValue);
		return Math.ceil(Math.sqrt( Math.pow(maxDistHor, 2) + Math.pow(maxDistVert, 2) )/radiusValue);
	}

	function animateLayer(layer, scaleVal, bool) {
		layer.velocity({ scale: scaleVal }, 400, function(){
			$('body').toggleClass('overflow-hidden', bool);
			(bool) 
				? layer.parents('.cd-section').addClass('modal-is-visible').end().off('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend')
				: layer.removeClass('is-visible').removeAttr( 'style' ).siblings('[data-type="modal-trigger"]').removeClass('to-circle');
		});
	}

	function updateLayer() {
		var layer = $('.cd-section.modal-is-visible').find('.cd-modal-bg'),
			layerRadius = layer.width()/2,
			layerTop = layer.siblings('.btn').offset().top + layerRadius - $(window).scrollTop(),
			layerLeft = layer.siblings('.btn').offset().left + layerRadius,
			scale = scaleValue(layerTop, layerLeft, layerRadius, $(window).height(), $(window).width());
		
		layer.velocity({
			top: layerTop - layerRadius,
			left: layerLeft - layerRadius,
			scale: scale,
		}, 0);
	}

	function closeModal() {
		var section = $('.cd-section.modal-is-visible');
		section.removeClass('modal-is-visible').one('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function(){
			animateLayer(section.find('.cd-modal-bg'), 1, false);
		});
		//if browser doesn't support transitions...
		if(section.parents('.no-csstransitions').length > 0 ) animateLayer(section.find('.cd-modal-bg'), 1, false);
	}
});

Output:

Morphing Modal Window Using HTML, CSS & Javascript

Morphing Modal Window Using HTML, CSS & Javascript

By Full To Tech

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