The Power of Pure CSS - No JavaScript Needed

<div class="container red topBotomBordersOut">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container purple topBotomBordersIn">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container indigo topLeftBorders">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container blue circleBehind">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container cyan brackets">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container teal borderYtoX">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container green borderXwidth">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container lightGreen pullDown">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container lime pullUp">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container yellow pullRight">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container amber pullLeft">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container orange pullUpDown">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container deepOrange pullRightLeft">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container brown highlightTextOut">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

<div class="container gray highlightTextIn">
  <a>HOME</a>
  <a>ARTICLES</a>
  <a>PORTFOLIO</a>
  <a>ABOUT</a>
  <a>CONTACT</a>
</div>

html, body
{
    margin: 0px;
}

header, footer
{
    font-family: Raleway;
    margin: 0 auto;
	padding: 5em 3em;
	text-align: center;
    background: #555;
}

header h1
{
    color: #AAA;
    font-size: 40px;
    font-weight: lighter;
    margin-bottom: 5px;
}

header span
{
    color: #222;
}

footer span
{
  color: #AAA;
}

div.container
{
    font-family: Raleway;
    margin: 0 auto;
	padding: 10em 3em;
	text-align: center;
}

div.container a
{
    color: #FFF;
    text-decoration: none;
    font: 20px Raleway;
    margin: 0px 10px;
    padding: 10px 10px;
    position: relative;
    z-index: 0;
    cursor: pointer;
}

.red
{
    background: #f44336;
}

.purple
{
    background: #673ab7;
}

.indigo
{
    background: #3f51b5;
}

.blue
{
    background: #2196f3;
}

.cyan
{
    background: #00bcd4;
}

.teal
{
    background: #009688;
}

.green
{
    background: #4caf50;
}

.lightGreen
{
    background: #8bc34a;
}

.lime
{
    background: #c0ca33;
}

.yellow
{
    background: #fdd835;
}

.amber
{
    background: #ffc107;
}

.orange
{
    background: #ff9800
}

.deepOrange
{
    background: #ff5722;
}

.brown
{
    background: #795548;
}

.gray
{
    background: #9e9e9e;
}

/* Top and Bottom borders go out */
div.topBotomBordersOut a:before, div.topBotomBordersOut a:after
{
    position: absolute;
    left: 0px;
    width: 100%;
    height: 2px;
    background: #FFF;
    content: "";
    opacity: 0;
    transition: all 0.3s;
}

div.topBotomBordersOut a:before
{
    top: 0px;
    transform: translateY(10px);
}

div.topBotomBordersOut a:after
{
    bottom: 0px;
    transform: translateY(-10px);
}

div.topBotomBordersOut a:hover:before, div.topBotomBordersOut a:hover:after
{
    opacity: 1;
    transform: translateY(0px);
}

/* Top and Bottom borders come in */
div.topBotomBordersIn a:before, div.topBotomBordersIn a:after
{
    position: absolute;
    left: 0px;
    width: 100%;
    height: 2px;
    background: #FFF;
    content: "";
    opacity: 0;
    transition: all 0.3s;
}

div.topBotomBordersIn a:before
{
    top: 0px;
    transform: translateY(-10px);
}

div.topBotomBordersIn a:after
{
    bottom: 0px;
    transform: translateY(10px);
}

div.topBotomBordersIn a:hover:before, div.topBotomBordersIn a:hover:after
{
    opacity: 1;
    transform: translateY(0px);
}

/* Top border go down and Left border appears */
div.topLeftBorders a:before
{
    position: absolute;
    top: 0px;
    left: 0px;
    width: 2px;
    height: 0px;
    background: #FFF;
    content: "";
    opacity: 1;
    transition: all 0.3s;
}

div.topLeftBorders a:after
{
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 2px;
    background: #FFF;
    content: "";
    opacity: 1;
    transition: all 0.3s;
}

div.topLeftBorders a:hover:before
{
    height: 100%;
}

div.topLeftBorders a:hover:after
{
    opacity: 0;
    top: 100%;
}

/* Circle behind */
div.circleBehind a:before, div.circleBehind a:after
{
    position: absolute;
    top: 22px;
    left: 50%;
    width: 50px;
    height: 50px;
    border: 4px solid #0277bd;
    transform: translateX(-50%) translateY(-50%) scale(0.8);
    border-radius: 50%;
    background: transparent;
    content: "";
    opacity: 0;
    transition: all 0.3s;
    z-index: -1;
}

div.circleBehind a:after
{
    border-width: 2px;
    transition: all 0.4s;
}

div.circleBehind a:hover:before
{
    opacity: 1;
    transform: translateX(-50%) translateY(-50%) scale(1);
}

div.circleBehind a:hover:after
{
    opacity: 1;
    transform: translateX(-50%) translateY(-50%) scale(1.3);
}

/* Brackets go out */
div.brackets a:before, div.brackets a:after
{
    position: absolute;
    opacity: 0;
    font-size: 35px;
    top: 0px;
    transition: all 0.3s;
}

div.brackets a:before
{
    content: '(';
    left: 0px;
    transform: translateX(10px);
}

div.brackets a:after
{
    content: ')';
    right: 0px;
    transform: translateX(-10px);
}

div.brackets a:hover:before, div.brackets a:hover:after
{
    opacity: 1;
    transform: translateX(0px);
}

/* Border from Y to X  */
div.borderYtoX a:before, div.borderYtoX a:after
{
    position: absolute;
    opacity: 0.5;
    height: 100%;
    width: 2px;
    content: '';
    background: #FFF;
    transition: all 0.3s;
}

div.borderYtoX a:before
{
    left: 0px;
    top: 0px;
}

div.borderYtoX a:after
{
    right: 0px;
    bottom: 0px;
}

div.borderYtoX a:hover:before, div.borderYtoX a:hover:after
{
    opacity: 1;
    height: 2px;
    width: 100%;
}

/* Border X get width  */
div.borderXwidth a:before, div.borderXwidth a:after
{
    position: absolute;
    opacity: 0;
    width: 0%;
    height: 2px;
    content: '';
    background: #FFF;
    transition: all 0.3s;
}

div.borderXwidth a:before
{
    left: 0px;
    top: 0px;
}

div.borderXwidth a:after
{
    right: 0px;
    bottom: 0px;
}

div.borderXwidth a:hover:before, div.borderXwidth a:hover:after
{
    opacity: 1;
    width: 100%;
}

/* Pull down  */
div.pullDown a:before
{
    position: absolute;
    width: 100%;
    height: 2px;
    left: 0px;
    top: 0px;
    content: '';
    background: #FFF;
    opacity: 0.3;
    transition: all 0.3s;
}

div.pullDown a:hover:before
{
    height: 100%;
}

/* Pull up  */
div.pullUp a:before
{
    position: absolute;
    width: 100%;
    height: 2px;
    left: 0px;
    bottom: 0px;
    content: '';
    background: #FFF;
    opacity: 0.3;
    transition: all 0.3s;
}

div.pullUp a:hover:before
{
    height: 100%;
}

/* Pull right  */
div.pullRight a:before
{
    position: absolute;
    width: 2px;
    height: 100%;
    left: 0px;
    top: 0px;
    content: '';
    background: #FFF;
    opacity: 0.3;
    transition: all 0.3s;
}

div.pullRight a:hover:before
{
    width: 100%;
}

/* Pull left  */
div.pullLeft a:before
{
    position: absolute;
    width: 2px;
    height: 100%;
    right: 0px;
    top: 0px;
    content: '';
    background: #FFF;
    opacity: 0.3;
    transition: all 0.3s;
}

div.pullLeft a:hover:before
{
    width: 100%;
}

/* Pull up and down  */
div.pullUpDown a:before, div.pullUpDown a:after
{
    position: absolute;
    width: 100%;
    height: 2px;
    left: 0px;
    content: '';
    background: #FFF;
    opacity: 0.3;
    transition: all 0.3s;
}

div.pullUpDown a:before
{
    top: 0px;
}

div.pullUpDown a:after
{
    bottom: 0px;
}

div.pullUpDown a:hover:before, div.pullUpDown a:hover:after
{
    height: 100%;
}

/* Pull right and left  */
div.pullRightLeft a:before, div.pullRightLeft a:after
{
    position: absolute;
    width: 2px;
    height: 100%;
    top: 0px;
    content: '';
    background: #FFF;
    opacity: 0.3;
    transition: all 0.3s;
}

div.pullRightLeft a:before
{
    left: 0px;
}

div.pullRightLeft a:after
{
    right: 0px;
}

div.pullRightLeft a:hover:before, div.pullRightLeft a:hover:after
{
    width: 100%;
}

/* Highlight text out  */
div.highlightTextOut a
{
    color: rgba(255, 255, 255, 0.3); 
}

div.highlightTextOut a:before, div.highlightTextIn a:before
{
    position: absolute;
    color: #FFF;
    top: 0px;
    left: 0px;
    padding: 10px;
    overflow: hidden;
    content: attr(alt);
    transition: all 0.3s;
    transform: scale(0.8);
    opacity: 0;
}

div.highlightTextOut a:hover:before, div.highlightTextIn a:hover:before
{
    transform: scale(1);
    opacity: 1;
}

/* Highlight text in  */
div.highlightTextIn a
{
    color: rgba(0, 0, 0, 0.4); 
}

div.highlightTextIn a:before
{
    transform: scale(1.2);
}

56

Navigation Animation

By: pixeldev

29

Pure CSS Nav Menu challenge

By: pixeldev

.navigation {
  padding: 0;
  margin: 0;
  border: 0;
  line-height: 1;
}

.navigation ul,
.navigation ul li,
.navigation ul ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.navigation ul {
  position: relative;
  z-index: 500;
  float: left;
}

.navigation ul li {
  float: left;
  min-height: 0.05em;
  line-height: 1em;
  vertical-align: middle;
  position: relative;
}

.navigation ul li.hover,
.navigation ul li:hover {
  position: relative;
  z-index: 510;
  cursor: default;
}

.navigation ul ul {
  visibility: hidden;
  position: absolute;
  top: 100%;
  left: 0px;
  z-index: 520;
  width: 100%;
}

.navigation ul ul li { float: none; }

.navigation ul ul ul {
  top: 0;
  right: 0;
}

.navigation ul li:hover > ul { visibility: visible; }

.navigation ul ul {
  top: 0;
  left: 99%;
}

.navigation ul li { float: none; }

.navigation ul ul { margin-top: 0.05em; }

.navigation {
  width: 13em;
  background: #333333;
  font-family: 'roboto', Tahoma, Arial, sans-serif;
  zoom: 1;
}

.navigation:before {
  content: '';
  display: block;
}

.navigation:after {
  content: '';
  display: table;
  clear: both;
}

.navigation a {
  display: block;
  padding: 1em 1.3em;
  color: #ffffff;
  text-decoration: none;
  text-transform: uppercase;
}

.navigation > ul { width: 13em; }

.navigation ul ul { width: 13em; }

.navigation > ul > li > a {
  border-right: 0.3em solid #34A65F;
  color: #ffffff;
}

.navigation > ul > li > a:hover { color: #ffffff; }

.navigation > ul > li a:hover,
.navigation > ul > li:hover a { background: #34A65F; }

.navigation li { position: relative; }

.navigation ul li.has-sub > a:after {
  content: '»';
  position: absolute;
  right: 1em;
}

.navigation ul ul li.first {
  -webkit-border-radius: 0 3px 0 0;
  -moz-border-radius: 0 3px 0 0;
  border-radius: 0 3px 0 0;
}

.navigation ul ul li.last {
  -webkit-border-radius: 0 0 3px 0;
  -moz-border-radius: 0 0 3px 0;
  border-radius: 0 0 3px 0;
  border-bottom: 0;
}

.navigation ul ul {
  -webkit-border-radius: 0 3px 3px 0;
  -moz-border-radius: 0 3px 3px 0;
  border-radius: 0 3px 3px 0;
}

.navigation ul ul { border: 1px solid #34A65F; }

.navigation ul ul a { color: #ffffff; }

.navigation ul ul a:hover { color: #ffffff; }

.navigation ul ul li { border-bottom: 1px solid #0F8A5F; }

.navigation ul ul li:hover > a {
  background: #4eb1ff;
  color: #ffffff;
}

.navigation.align-right > ul > li > a {
  border-left: 0.3em solid #34A65F;
  border-right: none;
}

.navigation.align-right { float: right; }

.navigation.align-right li { text-align: right; }

.navigation.align-right ul li.has-sub > a:before {
  content: '+';
  position: absolute;
  top: 50%;
  left: 15px;
  margin-top: -6px;
}

.navigation.align-right ul li.has-sub > a:after { content: none; }

.navigation.align-right ul ul {
  visibility: hidden;
  position: absolute;
  top: 0;
  left: -100%;
  z-index: 598;
  width: 100%;
}

.navigation.align-right ul ul li.first {
  -webkit-border-radius: 3px 0 0 0;
  -moz-border-radius: 3px 0 0 0;
  border-radius: 3px 0 0 0;
}

.navigation.align-right ul ul li.last {
  -webkit-border-radius: 0 0 0 3px;
  -moz-border-radius: 0 0 0 3px;
  border-radius: 0 0 0 3px;
}

.navigation.align-right ul ul {
  -webkit-border-radius: 3px 0 0 3px;
  -moz-border-radius: 3px 0 0 3px;
  border-radius: 3px 0 0 3px;
}

21

Pure CSS Vertical Multi-level Navigation Menu

By: pixeldev

<nav id="nav" class="clearfix">
<ul>
	<li>
		<a href="#">Home</a>
		<ul>
			<li><a href="#">Menu Item 1</a></li>
			<li class="submenu">
				<a href="#">Menu Item 2</a>
				<ul>
					<li><a href="#">Subitem 1</a></li>
					<li class="submenu">
						<a href="#">Subitem 2</a>
						<ul>
							<li><a href="#">Subitem 1</a></li>
							<li><a href="#">Subitem 2</a></li>
							<li><a href="#">Subitem 3</a></li>
						</ul>
					</li>
				</ul>
			</li>
			<li class="submenu">
				<a href="#">Menu Item 3</a>
				<ul>
					<li><a href="#">Subitem 1</a></li>
					<li><a href="#">Subitem 2</a></li>
					<li><a href="#">Subitem 3</a></li>
				</ul>				
			</li>
			<li><a href="#">Menu Item 4</a></li>
		</ul>
	</li>
	<li>
		<a href="#">About</a>
		<ul>
			<li><a href="#">Menu Item 1</a></li>
			<li><a href="#">Menu Item 2</a></li>
			<li><a href="#">Menu Item 3</a></li>
		</ul>
	</li>
	<li>
		<a href="#">Products</a>
		<ul>
			<li class="submenu">
         	<a href="#">Menu Item 1</a>
           	<ul>
					<li><a href="#">Subitem 1</a></li>
					<li><a href="#">Subitem 2</a></li>
					<li><a href="#">Subitem 3</a></li>
				</ul>
         </li>
			<li><a href="#">Menu Item 2</a></li>
         <li><a href="#">Menu Item 3</a></li>
		</ul>
	</li>
	<li>
		<a href="#">Contact</a>
	</li>
  </ul>
</nav>

@import url(https://reset5.googlecode.com/hg/reset.min.css);

/* Demo Config */
body {font-family:sans-serif}
ul, li {list-style:none; margin:0; padding:0}

/* Nav */
#nav {background-color:#2980b9}
#nav a {color:#fff; display:block; padding:15px 20px; text-decoration:none}
#nav ul li {position:relative}

/* Top Level */
#nav li {transition:background-color .5s}
#nav li:hover {background-color:#50AEED}
#nav > ul > li {display:block; float:left}

/* Sub-level 1 */
#nav > ul li:hover > ul {opacity:1; top:45px; visibility:visible}
#nav > ul ul {opacity:0; visibility:hidden; position:absolute; top:60px; transition:all .25s}
#nav > ul ul li {background-color:#3498db; width:180px}
#nav > ul ul li a {padding:10px 20px}

/* Level 2 and Beyond */
#nav > ul  ul li > ul {margin-left:180px; top:15px}
#nav > ul  ul li:hover > ul {margin-left:180px; top:0}
#nav li.submenu:after {content:"\25BA"; color:#fff; display:block; float:right; font-size:10px; height:20px; position:absolute; right:10px; top:12px}

/* Clearfix */
.clearfix:after {visibility: hidden; display: block; font-size: 0; content:" "; clear:both; height:0}

21

Pure CSS Animated Navigation Menu

By: pixeldev

<div class="cat-container">
  <div class="cat-size cat-one">
    <a class="b" href="https://lenadesign.org/html/" target="_blank">
    <div class="center">
        <h1 class="title-html">HTML</h1></a>
    <p class="textHTML">HTML is the standard markup language for documents designed to be displayed in a web browser.</p>
      <a class="a" href="https://lenadesign.org/html/" target="_blank"><p class="learnHTML">LEARN HTML></p></a>
    </div>
    </div>
  
    <div class="cat-size cat-two">
      <div class="center">
        <a class="b" href="https://lenadesign.org/css/" target="_black">
          <h1 class="title-css">CSS</h1></a>
      <p class="textCSS">CSS is a style sheet language used for describing the presentation of a document written in a markup language such as HTML.</p>
        <a class="a" href="https://lenadesign.org/css/" target="_black">
          <p class="learnCSS">LEARN CSS></p></a>
      </div>
    </div>
    <div class="cat-size cat-three">
      <div class="center">
        <a class="b" href="https://lenadesign.org/javascript/" target="_blank">
          <h1 class="title-js">JavaScript</h1></a>
      <p class="textJS">JavaScript is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS.</p>
        <a class="a" href="https://lenadesign.org/javascript/" target="_blank">
          <p class="learnJS">LEARN JavaScript></p></a>
      </div>
    </div>
    <div class="cat-size cat-four">
      <div class="center">
        <a class="b" href="https://lenadesign.org/jquery/" target="_blank">
          <h1 class="title-jQ">jQuery</h1></a>
      <p class="textJQ">jQuery is a JavaScript library created to simplify and make it easier to write JavaScript and HTML.</p>
        <a class="a" href="https://lenadesign.org/jquery/" target="_blank">
          <p class="learnJQ">LEARN jQuery></p></a>
      </div>
    </div>
    <div class="cat-size cat-five">
      <div class="center">
        <a class="b" href="https://lenadesign.org/svg-4/" target="_blank">
          <h1 class="title-svg">SVG</h1></a>
      <p class="textSVG">SVG is an XML-based vector image format for two-dimensional graphics with support for interactivity and animation.</p>
        <a class="a" href="https://lenadesign.org/svg-4/" target="_blank">
          <p class="learnSVG">LEARN SVG></p></a>
      </div>
    </div>
    <div class="cat-size cat-six">
      <div class="center">
         <a class="b" href="https://lenadesign.org/css-javascript-animations-2/" target="_blank">
           <h1 class="title-a">Animations</h1></a>
      <p class="textA">Learn how to create amazing animations using HTML, CSS and JavaScript!</p>
        <a class="a" href="https://lenadesign.org/css-javascript-animations-2/" target="_blank">
          <p class="learnA">Animations></p></a>
      </div>
    </div>
</div>

@import url('https://fonts.googleapis.com/css2?family=Fira+Sans&display=swap');

body {
  margin:0;
  padding:0;
}

.cat-container {
	position: relative;
	height: 100vh;
	width: 100%;
  display: -webkit-flex;
	display: flex;
  font-family: 'Fira Sans', sans-serif;
	overflow: hidden;
  color: white;
}

@media screen and (max-width: 768px) {
  .cat-container {flex-direction: column;}
}

@media screen and (max-width: 480px) {
  .cat-container {flex-direction: column;}
}

.cat-size {
  display: flex;
  display: -webkit-flex;
  align-items: center;
  justify-content:center;
  flex-grow: 1;
  flex-basis: 0;
  overflow: hidden;
}

.cat-one, .cat-two, .cat-three, .cat-four, .cat-five, .cat-six {
  transition: flex-grow .3s;
  -webkit-transition: flex-grow .3s;
	-moz-transition: flex-grow .3s;
	-ms-transition: flex-grow .3s;
	-o-transition: flex-grow .3s;
  width:100%;
  height: 100vh;
}

.cat-one {
  background-color: #56ab91;
}

.cat-two {
  background-color: #469d89;
}

.cat-three {
  background-color: #4358f80;
}

.cat-three {
  background-color: #358f80;
}

.cat-four {
  background-color: #248277;
}

.cat-five {
  background-color: #14746f;
}

.cat-six {
  background-color: #036666;
}

.cat-one:hover {
  flex-grow: 3;
}

.cat-two:hover {
  flex-grow: 3;
}

.cat-three:hover {
  flex-grow: 3;
}

.cat-four:hover {
  flex-grow: 3;
}

.cat-five:hover {
  flex-grow: 3;
}

.cat-six:hover {
  flex-grow: 3;
}

.center {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  line-height: 2;
  text-align: center;
  width:100%;
  height: 100vh;

}

.title-html, .title-css, .title-js, .title-jQ, .title-svg, .title-a {
  writing-mode: vertical-rl; 
  margin: 30px;
  transition: .3s;
  -webkit-transition: .3s;
  -moz-transition: .3s;
	-ms-transition: .3s;
	-o-transition: .3s;
}

.cat-one:hover .title-html {
  writing-mode: horizontal-tb; 
}

.cat-two:hover .title-css {
  writing-mode: horizontal-tb; 
}

.cat-three:hover .title-js {
  writing-mode: horizontal-tb; 
}

.cat-four:hover .title-jQ {
  writing-mode: horizontal-tb; 
}

.cat-five:hover .title-svg {
  writing-mode: horizontal-tb; 
}

.cat-six:hover .title-a {
  writing-mode: horizontal-tb; 
}

@media screen and (max-width: 768px) {
  .title-html, .title-css, .title-js, .title-jQ, .title-svg, .title-a {writing-mode: horizontal-tb !important; 
  }
  .textHTML, .learnHTML, .textCSS, .learnCSS, .textJS, .learnJS, .learnJQ, .textJQ, .learnA, .textA, .learnSVG, .textSVG {
    display: none !important;
  }
}

.textHTML, .textCSS, .textJS, .textJQ, .textSVG, .textA, .learnHTML, .learnCSS, .learnJS, .learnJQ, .learnSVG, .learnA {
  display: none;
}

.cat-one:hover .textHTML {
 display: block;
 animation: up .5s ease forwards;
}

.textHTML, .textCSS, .textJS, .textJQ, .textSVG, .textA {
  width:50%;
  border: 3px solid white;
  border-radius:20px;
  padding:20px;
}

.cat-one:hover .learnHTML {
 display: block;
 animation: up .5s ease forwards;
}

.cat-two:hover .learnCSS {
 display: block;
 animation: up .5s ease forwards;
}

.cat-three:hover .learnJS {
 display: block;
 animation: up .5s ease forwards;
}

.cat-three:hover .textJS {
 display: block;
 animation: up .5s ease forwards;
}

.cat-two:hover .textCSS {
 display: block;
 animation: up .5s ease forwards;
}

.cat-four:hover .textJQ {
 display: block;
 animation: up .5s ease forwards;
}

.cat-four:hover .learnJQ {
 display: block;
 animation: up .5s ease forwards;
}

.cat-five:hover .learnSVG {
 display: block;
 animation: up .5s ease forwards;
}

.cat-six:hover .learnA {
 display: block;
 animation: up .5s ease forwards;
}

.cat-six:hover .textA {
 display: block;
 animation: up .5s ease forwards;
}

.cat-five:hover .textSVG {
 display: block;
 animation: up .5s ease forwards;
}

@keyframes up {
  0% {opacity:0; transform: translateY(50px);}
  50% {opacity:0; transform: translateY(50px);}
  100% {{opacity:1; transform: translateY(0px);}}
}

.a {
  text-decoration: underline;
  color: white;
}

.b {
  text-decoration: none;
  color: white;
}

21

Pure CSS Responsive Navigation Menu (sliding effect)

By: pixeldev

<div id="container">
<ul id="menu">
  <li><a href="#">About Me</a>
		<ul>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas lacinia sem</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
		</ul>
	</li>
	<li><a href="#">Portfolio</a>
		<ul>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas dignissim fermentum luctus</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas lacinia sem</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
		</ul>
	</li>
	<li><a href="#">Clients</a>
		<ul>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas lacinia sem</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
		</ul>
	</li>
	<li><a href="#">Contact Me</a>
		<ul>
			<li><a href="#">Lorem ipsum dolor</a></li>
			<li><a href="#">Maecenas dignissim fermentum luctus</a></li>
			<li><a href="#">Suspendisse fringilla</a></li>
		</ul>
	</li>
	<li><a href="#">Support</a></li>
</ul>
</div>

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

body {
		padding: 30px; 
		font-family: "Helvetica Neue", helvetica, arial; 
		background: url('https://subtlepatterns.com/patterns/white_carbonfiber.png');
	}

#container {
		position: relative;
		width: 940px;		
	}

#container:after {
		content: "";
		display: block;
		clear: both;
		height: 0;
	}

#menu {
		position: relative;
		float: left;
		width: 100%;
		padding: 0 20px;
		border-radius: 3px;
		box-shadow: inset 0 1px 1px rgba(255,255,255,.5), inset 0 -1px 0 rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.15);
		background: #ccc; 
	}

#menu, #menu ul {
		list-style: none;
	}

#menu > li {
		float: left;
		position: relative;
		border-right: 1px solid rgba(0,0,0,.1);
		box-shadow: 1px 0 0 rgba(255,255,255,.25);
		perspective: 1000px;
		
	}

#menu > li:first-child {
		border-left: 1px solid rgba(255,255,255,.25);
		box-shadow: -1px 0 0 rgba(0,0,0,.1), 1px 0 0 rgba(255,255,255,.25);
	}

#menu a {
		display: block;
		position: relative;
		z-index: 10;
		padding: 13px 20px 13px 20px;
		text-decoration: none;
		color: rgba(75,75,75,1);
		line-height: 1;
		font-weight: 600;
		font-size: 12px;
		letter-spacing: -.05em;
		background: transparent;		
		text-shadow: 0 1px 1px rgba(255,255,255,.9);
		transition: all .25s ease-in-out;
	
	}

#menu > li:hover > a {
		background: #333;
		color: rgba(0,223,252,1);
		text-shadow: none;
	}

#menu li ul  {
		position: absolute;
		left: 0;
		z-index: 1;
		width: 200px;
		padding: 0;
		opacity: 0;
		visibility: hidden;
		border-bottom-left-radius: 4px;
		border-bottom-right-radius: 4px;
		background: transparent;
		overflow: hidden;
		transform-origin: 50% 0%;
	}

#menu li:hover ul {
		
		padding: 15px 0;
		background: #333;
		opacity: 1;
		visibility: visible;
		box-shadow: 1px 1px 7px rgba(0,0,0,.5);
		animation-name: swingdown;
		animation-duration: 1s;
		animation-timing-function: ease;

}

@keyframes swingdown {
		0% {
			opacity: .99999;
			transform: rotateX(90deg);
		}

30% {			
			transform: rotateX(-20deg) rotateY(5deg);
			animation-timing-function: ease-in-out;
		}

65% {
			transform: rotateX(20deg) rotateY(-3deg);
			animation-timing-function: ease-in-out;
		}

100% {
			transform: rotateX(0);
			animation-timing-function: ease-in-out;
		}
	}

#menu li li a {
		padding-left: 15px;
		font-weight: 400;
		color: #ddd;
		text-shadow: none;
		border-top: dotted 1px transparent;
		border-bottom: dotted 1px transparent;
		transition: all .15s linear;
	}

#menu li li a:hover {
		color: rgba(0,223,252,1);
		border-top: dotted 1px rgba(255,255,255,.15);
		border-bottom: dotted 1px rgba(255,255,255,.15);
		background: rgba(0,223,252,.02);
	}
* {
  	margin: 0; 
		padding: 0;
		box-sizing: border-box;
	}

body {
		padding: 30px; 
		font-family: "Helvetica Neue", helvetica, arial; 
		background: url('https://subtlepatterns.com/patterns/white_carbonfiber.png');
	}

#container {
		position: relative;
		width: 940px;		
	}

#container:after {
		content: "";
		display: block;
		clear: both;
		height: 0;
	}

#menu {
		position: relative;
		float: left;
		width: 100%;
		padding: 0 20px;
		border-radius: 3px;
		box-shadow: inset 0 1px 1px rgba(255,255,255,.5), inset 0 -1px 0 rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.15);
		background: #ccc; 
	}

#menu, #menu ul {
		list-style: none;
	}

#menu > li {
		float: left;
		position: relative;
		border-right: 1px solid rgba(0,0,0,.1);
		box-shadow: 1px 0 0 rgba(255,255,255,.25);
		perspective: 1000px;
		
	}

#menu > li:first-child {
		border-left: 1px solid rgba(255,255,255,.25);
		box-shadow: -1px 0 0 rgba(0,0,0,.1), 1px 0 0 rgba(255,255,255,.25);
	}

#menu a {
		display: block;
		position: relative;
		z-index: 10;
		padding: 13px 20px 13px 20px;
		text-decoration: none;
		color: rgba(75,75,75,1);
		line-height: 1;
		font-weight: 600;
		font-size: 12px;
		letter-spacing: -.05em;
		background: transparent;		
		text-shadow: 0 1px 1px rgba(255,255,255,.9);
		transition: all .25s ease-in-out;
	
	}

#menu > li:hover > a {
		background: #333;
		color: rgba(0,223,252,1);
		text-shadow: none;
	}

#menu li ul  {
		position: absolute;
		left: 0;
		z-index: 1;
		width: 200px;
		padding: 0;
		opacity: 0;
		visibility: hidden;
		border-bottom-left-radius: 4px;
		border-bottom-right-radius: 4px;
		background: transparent;
		overflow: hidden;
		transform-origin: 50% 0%;
	}

#menu li:hover ul {
		
		padding: 15px 0;
		background: #333;
		opacity: 1;
		visibility: visible;
		box-shadow: 1px 1px 7px rgba(0,0,0,.5);
		animation-name: swingdown;
		animation-duration: 1s;
		animation-timing-function: ease;

}

@keyframes swingdown {
		0% {
			opacity: .99999;
			transform: rotateX(90deg);
		}

30% {			
			transform: rotateX(-20deg) rotateY(5deg);
			animation-timing-function: ease-in-out;
		}

65% {
			transform: rotateX(20deg) rotateY(-3deg);
			animation-timing-function: ease-in-out;
		}

100% {
			transform: rotateX(0);
			animation-timing-function: ease-in-out;
		}
	}

#menu li li a {
		padding-left: 15px;
		font-weight: 400;
		color: #ddd;
		text-shadow: none;
		border-top: dotted 1px transparent;
		border-bottom: dotted 1px transparent;
		transition: all .15s linear;
	}

#menu li li a:hover {
		color: rgba(0,223,252,1);
		border-top: dotted 1px rgba(255,255,255,.15);
		border-bottom: dotted 1px rgba(255,255,255,.15);
		background: rgba(0,223,252,.02);
	}

8

Menu

Navigation Animation

By: pixeldev

Pure CSS Nav Menu challenge

By: pixeldev

Pure CSS Vertical Multi-level Navigation Menu

By: pixeldev

Pure CSS Animated Navigation Menu

By: pixeldev

Pure CSS Responsive Navigation Menu (sliding effect)

By: pixeldev

Menu Swinging Animation

By: Nethan Pogi