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HTML

            
              <div class="folio-filter">
  <h6><a href="#">Filter by role: <span id="filter-type" class="muted">All</span></a></h6>
  <ul class="filter-list">
    <li><a href="#" data-role="all" class="selected">All</a></li>
    <li><a href="#" data-role="ux">UX</a></li>
    <li><a href="#" data-role="fed">Front End</a></li>
    <li><a href="#" data-role="rwd">Responsive</a></li>
    <li><a href="#" data-role="gfx">Visual Design</a></li>
    <li><a href="#" data-role="research">User Research</a></li>
    <li><a href="#" data-role="dev">Full Stack</a></li>
    <li><a href="#" data-role="ia">IA</a></li>
    <li><a href="#" data-role="write">Writing</a></li>
  </ul>
</div>

<ul class="folio">
	<li data-roles="ux fed rwd gfx dev write edit ia ">
		<a href="https://stegrainer.com/portfolio/uxcellence">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/uxcellence/uxcellence-thumb.jpg" alt="UXcellence" />
				<h5>UXcellence</h5>
			</div>
		</a>
	</li>
	<li data-roles="ux fed rwd gfx dev ia ">
		<a href="https://stegrainer.com/portfolio/elespta">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/elespta/elespta-thumb.jpg" alt="Echo Lake Elementary PTA" />
				<h5>Echo Lake Elementary PTA</h5>
			</div>
		</a>
	</li>
	<li data-roles="ux research gfx ">
		<a href="https://stegrainer.com/portfolio/diehappy">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/diehappy/diehappy-thumb.jpg" alt="DieHappy" />
				<h5>DieHappy</h5>
			</div>
		</a>
	</li>
	<li data-roles="ux fed rwd research ">
		<a href="https://stegrainer.com/portfolio/vdot">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/vdot/vdot3.jpg" alt="Virginia Dept of Transportation" />
				<h5>Virginia Dept of Transportation</h5>
			</div>
		</a>
	</li>
	<li data-roles="fed rwd ">
		<a href="https://stegrainer.com/portfolio/dccu">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/dccu/dccu.jpg" alt="DuPont Community Credit Union" />
				<h5>DuPont Community Credit Union</h5>
			</div>
		</a>
	</li>
	<li data-roles="ux fed rwd research gfx dev write edit ia ">
		<a href="https://stegrainer.com/portfolio/gameskinny">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/gameskinny/gs.jpg" alt="GameSkinny" />
				<h5>GameSkinny</h5>
			</div>
		</a>
	</li>
	<li data-roles="ux fed research ia ">
		<a href="https://stegrainer.com/portfolio/snagajob-mobile">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/snagajob-mobile/sajmobile.jpg" alt="Snagajob Mobile" />
				<h5>Snagajob Mobile</h5>
			</div>
		</a>
	</li>
	<li data-roles="ux fed gfx dev write ">
		<a href="https://stegrainer.com/portfolio/vcu-filedrop">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/vcu-filedrop/filedrop.jpg" alt="VCU FileDrop" />
				<h5>VCU FileDrop</h5>
			</div>
		</a>
	</li>
	<li data-roles="fed gfx dev edit ia ">
		<a href="https://stegrainer.com/portfolio/vcu-atoz">
			<div>
				<img src="https://stegrainer.com/-/img/thumbs/vcu-atoz/atoz.png" alt="VCU A-Z Web Directory" />
				<h5>VCU A-Z Web Directory</h5>
			</div>
		</a>
	</li>
</ul>
            
          
!

CSS

            
              html {
  background: #ddd;
  font-family: "Avenir Next", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Arial, sans-serif;
}
body {
  padding: 0 3em;
}
ul[class] {
  margin: 0 0 1.5em;
  padding: 0;
}
ul[class] li {
  margin: 0;
}
h5 {
  font-size: 1.777rem;
	line-height: 1.58;
	margin: 0;
}
h6 {
  font-size: 1.333rem;
	line-height: 1.051;
}
.folio {
	display: grid;
	grid-gap: 1.4em;
	grid-template-columns: repeat(auto-fill, minmax(15em, 1fr));
  list-style: none;
}
.folio a div, .folio a::after {
	-webkit-clip-path:url(#folioHex);
	clip-path:url(#folioHex); }
.folio a {
	display: block;
  transition: all 0.25s ease-in-out; }
.folio a::before {
	display: none; }
.folio a div {
	background: hsla(265,64%,52%,1);
	background: linear-gradient(0deg, rgba(78,36,135,1) 0%, rgba(81,116,240,1) 100%);
	overflow: hidden;
	position: relative; }
.folio a img {
	display: block;
	margin: 0;
	transition: all 0.25s ease-in-out;
	width: 100%; }
.folio a h5 {
	color: #fff;
	left: 5%;
	line-height: 1;
	opacity: 0;
	position: absolute;
	text-align: center;
	top: 50%;
	transform: scale(0.9) translateY(-25%);
	transition: all 0.25s ease-in-out;
	width: 90%; }
.folio a::after {
	background: hsla(265,57%,34%,1);
	content: '';
	display: block;
	height: 100%;
	left: 0;
	opacity: 0;
	position: absolute;
	width: 100%;
	top: 0;
	transition: all 0.25s ease-in-out;
	z-index: -1; }
.folio a:hover, .folio a:focus {
	transform: scale(1.1); }
.folio a:hover img, .folio a:focus img {
	filter: grayscale(100%) blur(0.15em);
	opacity: 0.25;
	transform: rotate(-3.25deg) scale(1.25); }
.folio a:hover h5, .folio a:focus h5 {
	opacity: 1;
	text-shadow: 0 0.1em 0.2em hsla(265,57%,34%,1);
	transform: translateY(-50%); }
.folio a:hover::after, .folio a:focus::after {
	opacity: 0.33;
	transform: translate(0.2em, 0.2em); }
.folio-filter h6 {
	margin-bottom: 0; }
.folio-filter h6 a {
	box-shadow: none;
	color: #333;
	cursor: default;
  text-decoration: none; }
.filter-list a.selected {
		color: #333;
		cursor: default;
		font-weight: bold; }
.folio li {
	height: auto;
	opacity: 1;
	transform: scale(1);
	transition: opacity 0.25s ease-in-out, transform 0.25s ease-in-out; }
.folio li.hidden {
	opacity: 0;
	order: 1;
	overflow: hidden;
	transform: scale(0);
	transition: opacity 0.25s ease-in-out, transform 0.25s ease-in-out; }
.folio li[aria-hidden="true"] a {
	visibility: hidden; }

@media screen and (max-width: 31.95em) {
	.folio-filter {
		background: rgba(255,255,255,0.5);
		border-radius: 0.35em;
		margin-bottom: 1.4em;
		position: relative; }
	.folio-filter::after {
		border-left: 0.5em solid transparent;
		border-right: 0.5em solid transparent;
		border-top: 0.5em solid #333;
		content: '';
		display: block;
		height: 0;
		opacity: 0.5;
		position: absolute;
		right: 0.5em;
		top: 0.75em;
		transition: transform 0.25s ease-in-out;
		width: 0; }
	.folio-filter h6 a {
		display: block;
		padding: 0.263em; }
	.filter-list {
		border-top: 0.05em solid rgba(255,255,255,0.25);
		height: 0;
		opacity: 0;
		transition: opacity 0.25s ease-in-out, height 0.25s ease-in-out; }
	.folio-filter.opened::after {
		transform: rotate(180deg); }
	.folio-filter.opened h6 a {
		border-bottom: 0.05em solid rgba(0,0,0,0.1); }
	.folio-filter.opened .filter-list {
		display: block;
		height: auto;
    list-style: none;
		opacity: 1; }
	.filter-list a {
		color: #333;
		display: block;
		padding: 0.35em; }
	.filter-list a.selected, .filter-list a:hover, .filter-list a:focus {
		background: #fff; }
	.filter-list a:hover, .filter-list a:focus {
		color: #06c; }
	.folio li.hidden {
		height: 0; }
}


@media screen and (min-width: 32em) {
	.page > header nav {
		margin: 0.7em; }
	.folio-filter h6 .muted {
		display: none; }
	.filter-list {
		transform: translateX(-0.7em); }
	.filter-list li {
		display: inline-block;
		margin: 0.35em 0; }
	.filter-list a {
		border-radius: 0.35em;
		display: block;
		padding: 0.35em 0.7em; }
	.filter-list a.selected, .filter-list a:hover, .filter-list a:focus {
		background: rgba(255,255,255,0.5);
		color: #333; }
}
            
          
!

JS

            
              var folioFilter = document.querySelector('.folio-filter');
var filterToggle = document.querySelector('.folio-filter h6 a');
var filterChoice = document.querySelector('.folio-filter h6 span')
var filters = document.querySelectorAll('.filter-list li a');
var folio = document.querySelectorAll('.folio li');

if(folioFilter) {
	filterToggle.addEventListener('click', function(e) {
		folioFilter.classList.toggle('opened');
		e.preventDefault();
	});
	filters.forEach(function(elem) {
		elem.addEventListener('click', function(e) {
			var filterRole = this.getAttribute('data-role');
			var i = 125;
			if(filterRole == "all") {
				var selectedFolio = folio;
			} else {
				var selectedFolio = document.querySelectorAll("[data-roles*='"+ filterRole +"']");
			}
			folioFilter.classList.remove('opened');
			filterChoice.innerHTML = this.text;
			filters.forEach(function(elem) {
				elem.classList.remove('selected');
			});
			folio.forEach(function(elem) {
				elem.classList.add('hidden');
				elem.setAttribute('aria-hidden',true);
			});
			selectedFolio.forEach(function(elem) {
				setTimeout(function() {
					elem.classList.remove('hidden');
					elem.setAttribute('aria-hidden',false);
				}, i);
				i = i + 125;
			});
			this.classList.add('selected');
			e.preventDefault();
		});
	});
}
            
          
!
999px

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