A Pen by Lesenne.

Animate-menu-CSS.markdown

Animate menu CSS

animate menu mouseover, pure CSS

A Pen by Lesenne on CodePen.

License.

index.html

<div class="container">
<nav class="menu animated flipInX">
		<h2>Animate menu CSS</h2>
		<ul>
			<a href="#">
				<h3>Link 1</h3>
				<p>text 1</p>
			</a>
			<a href="#">
				<h3>Link 2</h3>
				<p>text 2</p>
			</a>
			<a href="#">
				<h3>Link 3</h3>
				<p>text 3</p>
			</a>
			<a href="#">
				<h3>Link 4</h3>
				<p>text 4</p>
			</a>
			<a href="#">
				<h3>Link 5</h3>
				<p>text 5</p>
			</a>
			<a href="http://macreart.com">
        <p>&copy; 2011/2014 | macreart.com | F . Lesenne</p>
			</a>
		</ul>
	</nav>
</div>

script.js

// Animate menu mouseover, pure CSS

// inspired: <https://bennettfeely.com>

// Author Joël Lesenne <https://joellesenne.dev>

style.css

@import url(http://fonts.googleapis.com/css?family=Lato:400,700);

*, 
*:before, 
*:after {
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}
* {
	font-weight: 400;
	margin: 0;
	padding: 0;
	vertical-align: 0;
	border:0;
}

aside,figcaption,figure,footer,header,nav,section {
  display: block;
}

body {
	text-align: center;
  font-family: 'Lato', sans-serif;
  font-size: 15px;
	background: #d8ecf2;
	color: RGBA(67, 83, 99, 1);
}

.container {
  width: 350px;
	max-width: 350px;
	margin: 0 auto;
}

h2 {
  position: relative;
  font-size: 2.8rem;
  text-shadow: 0px 1px 1px rgba(255, 255, 255, 0.4);
  padding: 1.8rem 0;
}

a { 
  text-decoration: none;
  color: RGBA(67, 83, 99, 1);
  cursor: -webkit-zoom-in;
  cursor:         zoom-in;
}

nav {
  -webkit-box-flex: auto;
      -webkit-flex: auto;
          -ms-flex: auto;
              flex: auto;
  position: relative;
  padding: .6125rem .6152rem 1.6125rem;
}

ul {
  text-align: left;
  -webkit-transition: all 400ms ease-in-out;
     -moz-transition: all 400ms ease-in-out;
      -ms-transition: all 400ms ease-in-out;
       -o-transition: all 400ms ease-in-out;
          transition: all 400ms ease-in-out;
}

ul:hover {

  -webkit-transform: scale(0.97);
          transform: scale(0.97);
}

ul a {
  display: block;
  position: relative;
  padding: .75rem 1rem 1rem;
  -webkit-transition: -webkit-transform .22s,box-shadow .22s;
  transition: transform .22s,box-shadow .22s;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
  user-drag: none;
  box-shadow: 0 0 0 -.25rem rgba(0,0,0,.1);
}

ul a:focus, ul a:hover {
  outline: 0;
  box-shadow: 0 .5rem 0 -.25rem rgba(0,0,0,.1)
}

ul a:focus, ul a:hover {
  -webkit-transform: scale(1.03);
           transform:scale(1.03);
  -webkit-transition: -webkit-transform .088s,box-shadow .088s;
  transition: transform .088s,box-shadow .088s;
  z-index: 1;
}

.menu a:nth-child(1) {
  background: #95c5db;
}
.menu a:nth-child(2) {
  background: #94c1db;
}
.menu a:nth-child(3) {
  background: #94bddb;
}
.menu a:nth-child(4) {
  background: #94b9db;
}
.menu a:nth-child(5) {
  background: #94b5db;
}
.menu a:nth-child(6) {
  background: #94b2db;
}

.animated {
  -webkit-animation-duration: 1s;
          animation-duration: 1s;
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
}

@-webkit-keyframes flipInX {
  0% {
    -webkit-transform: perspective(400px) rotateX(90deg);
    transform: perspective(400px) rotateX(90deg);
    opacity: 0;
  }

  40% {
    -webkit-transform: perspective(400px) rotateX(-10deg);
    transform: perspective(400px) rotateX(-10deg);
  }

  70% {
    -webkit-transform: perspective(400px) rotateX(10deg);
    transform: perspective(400px) rotateX(10deg);
  }

  100% {
    -webkit-transform: perspective(400px) rotateX(0deg);
    transform: perspective(400px) rotateX(0deg);
    opacity: 1;
  }
}

@keyframes flipInX {
  0% {
    -webkit-transform: perspective(400px) rotateX(90deg);
    -ms-transform: perspective(400px) rotateX(90deg);
    transform: perspective(400px) rotateX(90deg);
    opacity: 0;
  }

  40% {
    -webkit-transform: perspective(400px) rotateX(-10deg);
    -ms-transform: perspective(400px) rotateX(-10deg);
    transform: perspective(400px) rotateX(-10deg);
  }

  70% {
    -webkit-transform: perspective(400px) rotateX(10deg);
    -ms-transform: perspective(400px) rotateX(10deg);
    transform: perspective(400px) rotateX(10deg);
  }

  100% {
    -webkit-transform: perspective(400px) rotateX(0deg);
    -ms-transform: perspective(400px) rotateX(0deg);
    transform: perspective(400px) rotateX(0deg);
    opacity: 1;
  }
}

.flipInX {
  -webkit-backface-visibility: visible !important;
  -ms-backface-visibility: visible !important;
  backface-visibility: visible !important;
  -webkit-animation-name: flipInX;
          animation-name: flipInX;
}