Hover shine effect with pure CSS

This is a simple example of a mouse-over shine effect I created using purely CSS. It uses a CSS generated element and CSS3 transitions to animate the effect. See the comments in the markup below for further explanation of how it works.

Live demo:

Click Me

Simple HTML markup:

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<div class="myButton">Click Me</div>

And the CSS:

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/* normal button style */
.myButton {
    width: 110px;
    height: 30px;
    background-color:#0099cc;
    text-align: center;
    color: #FFF;
    position: relative;
}
/* button hover style if required */
.myButton:hover {
   
}
/* generated element for shine effect.
 * normal state is semi-transparent
 * white but with zero width. Set no
 * transition here for no mouse-leave
 * animations. Otherwise the effect
 * will play in reverse when your mouse
 * leaves the element
 */

.myButton:after {
    content: "";
    position: absolute;
    top: 0px;
    left: 0px;
    width: 0%;
    height: 100%;
    background-color: rgba(255,255,255,0.4);
    -webkit-transition: none;
    -moz-transition: none;
    -ms-transition: none;
    -o-transition: none;
    transition: none;
   
}
/* on hover we animate the width to
 * 100% and opacity to 0 so the element
 * grows and fades out
 */

.myButton:hover:after {
    width: 120%;
    background-color: rgba(255,255,255,0);
    -webkit-transition: all 0.3s ease-out;
    -moz-transition: all 0.3s ease-out;
    -ms-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
}
Posted toCSS CSS3 Experiments HTML Web Design