A Pen by Paolo Di Tommaso.

CSS-Circle-Hover-Animations.markdown

CSS Circle Hover Animations

Nice looking hover animations made out of pure CSS. Some cool projects on Dribbble featured within.

By Mary Lou on Codrops: http://bit.ly/codropsmarylou

A Pen by Paolo Di Tommaso on CodePen.

License.

index.html

<ul class="ch-grid">
  <li>
    <div class="ch-item ch-img-1">
      <div class="ch-info">
        <h3>Align Protein<br>sequences</h3>
        <p>Using structural information (Expresso)</p>
        <p>Combining the output of popular aligners (M-Coffee)</p>
        <p>Using homology extension (PSI-Coffee)</p>
        <p>Of transmembrane proteins (TM-Coffee)</p>
 
      </div>
    </div>
  </li>
  <li>
    <div class="ch-item ch-img-2">
      <div class="ch-info">
        <h3>Align RNA<br>sequences</h3>
        <p>Using secondary structure (R-Coffee)</p>
        <p>Using tertiary structure (SARA-Coffee)</p>
        <p>Combining the output of popular aligners (M-Coffee)</p>
      </div>
    </div>
  </li>
  <li>
    <div class="ch-item ch-img-3">
      <div class="ch-info">
        <h3>Align DNA<br>sequences</h3>
        <p>Of homologous promoter regions (Pro-coffee)</p>
        <p>Combining the output of popular aligners (M-Coffee)</p>
      </div>
    </div>
  </li>
</ul>

script.js

// Nice looking hover animations made out of pure CSS. Some cool projects on Dribbble featured within.

// By Mary Lou on Codrops:
// http://bit.ly/codropsmarylou

style.css

.ch-item {
  width: 100%;
  height: 100%;
	border-radius: 50%;
	position: relative;
	cursor: default;
	box-shadow: inset 0 0 0 16px rgba(255,255,255,0.6), 0 1px 2px rgba(0,0,0,0.1);
	-webkit-transition: all 0.4s ease-in-out;
	-moz-transition: all 0.4s ease-in-out;
	-ms-transition: all 0.4s ease-in-out;
	-o-transition: all 0.4s ease-in-out;
	transition: all 0.4s ease-in-out;
}

.ch-img-1 { background-image: url(http://tcoffee.org/Images/proteins.png); 
background-repeat: no-repeat; 
background-position: center }

.ch-img-2 { background-image: url(http://tcoffee.org/Images/rna.png);
  background-repeat: no-repeat; 
background-position: center

}

.ch-img-3 { 
background-image: url(http://tcoffee.org/Images/dna.png);
  background-repeat: no-repeat; 
background-position: center
}

.ch-info {
	position: absolute;
	background: rgba(114,187,210, 0.95);
	width: inherit;
	height: inherit;
	border-radius: 50%;
	opacity: 0;
	-webkit-transition: all 0.4s ease-in-out;
	-moz-transition: all 0.4s ease-in-out;
	-ms-transition: all 0.4s ease-in-out;
	-o-transition: all 0.4s ease-in-out;
	transition: all 0.4s ease-in-out;
	-webkit-transform: scale();
	-moz-transform: scale();
	-ms-transform: scale();
	-o-transform: scale();
	transform: scale();
	-webkit-backface-visibility: hidden;
}

.ch-info h3 {
	color: #fff;
	text-transform: uppercase;
	letter-spacing: 2px;
	font-size: 26px;
	margin: 0 30px;
	padding: 55px 0 0 0;
	height: 140px;
	font-family: 'Open Sans', Arial, sans-serif;
	text-shadow: 0 0 1px #fff, 0 1px 2px rgba(0,0,0,0.3);
}

.ch-info p {
	color: #fff;
	padding: 10px 5px;
	/*font-style: italic;*/
	margin: 0 30px;
	font-size: 18px;
  font-family: 'Open Sans', Arial, sans-serif;
	border-top: 1px solid rgba(255,255,255,0.5);
	opacity: 0;
	-webkit-transition: all 1s ease-in-out 0.4s;
	   -moz-transition: all 1s ease-in-out 0.4s;
	    -ms-transition: all 1s ease-in-out 0.4s;
	     -o-transition: all 1s ease-in-out 0.4s;
	        transition: all 1s ease-in-out 0.4s;
}

.ch-info p a {
	display: block;
	color: #fff;
	color: rgba(255,255,255,0.7);
	font-style: normal;
	font-weight: 700;
	text-transform: uppercase;
	font-size: 9px;
	letter-spacing: 1px;
	padding-top: 4px;
	font-family: 'Open Sans', Arial, sans-serif;
}

.ch-info p a:hover {
	color: #fff222;
	color: rgba(255,242,34, 0.8);
}

.ch-item:hover { box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1), 0 1px 2px rgba(0,0,0,0.1) }

.ch-item:hover .ch-info {
	opacity: 1;
	-webkit-transform: scale(1);
	   -moz-transform: scale(1);
	    -ms-transform: scale(1);
	     -o-transform: scale(1);
	        transform: scale(1);
}

.ch-item:hover .ch-info p { opacity: 1 }

body {
	font-family: Cambria, Georgia, serif;
	background: #f9f9f9 url(http://i.imm.io/LpUT.jpeg);
	font-weight: 300;
	font-size: 15px;
	color: #333;
	-webkit-font-smoothing: antialiased;
	overflow-y: scroll;
	overflow-x: hidden;
}

a {
	color: #555;
	text-decoration: none;
}

.container {
	width: 100%;
	position: relative;
}

.clr {
	clear: both;
	padding: 0;
	height: 0;
	margin: 0;
}

.main {
	width: 90%;
	margin: 0 auto;
	position: relative;
}

.container > header {
	margin: 10px;
	padding: 20px 10px 10px 10px;
	position: relative;
	display: block;
	text-shadow: 1px 1px 1px rgba(0,0,0,0.2);
	text-align: center;
}

.container > header h1 {
	font-size: 32px;
	line-height: 32px;
	margin: 0;
	position: relative;
	font-weight: 300;
	color: #777;
	text-shadow: 1px 1px 1px rgba(255,255,255,0.7);
}

.container > header h2 {
	font-size: 14px;
	font-weight: 300;
	font-style: italic;
	margin: 0;
	padding: 15px 0 5px 0;
	color: #888;
	text-shadow: 1px 1px 1px rgba(255,255,255,0.9);
}

.support-note span {
	color: #ac375d;
	font-size: 16px;
	display: none;
	font-weight: bold;
	text-align: center;
	padding: 5px 0;
}

.no-cssanimations .support-note span.no-cssanimations,
.no-csstransforms .support-note span.no-csstransforms,
.no-csstransforms3d .support-note span.no-csstransforms3d,
.no-csstransitions .support-note span.no-csstransitions { display: block }

.ch-grid {
	margin: 20px 0 0 0;
	padding: 0;
	list-style: none;
	display: block;
	text-align: center;
	width: 100%;
}

.ch-grid:after,
.ch-item:before {
	content: '';
	display: table;
}

.ch-grid:after { clear: both }

.ch-grid li {
	width: 420px;
	height: 420px;
	display: inline-block;
	margin: 20px;
}

* {
	-webkit-box-sizing: border-box;
	   -moz-box-sizing: border-box;
	        box-sizing: border-box;
}