Pro Animated CSS Button

HTML :

<a href="https://twitter.com/minimalmonkey" class="icon-button twitter"><i class="icon-twitter"></i><span></span></a>
<a href="https://facebook.com" class="icon-button facebook"><i class="icon-facebook"></i><span></span></a>
<a href="https://plus.google.com" class="icon-button google-plus"><i class="icon-google-plus"></i><span></span></a>

CSS: (use <style> paste code </style> in blogger)

<style>

html {
    font-size: 20px;
}
body {
    background-color: #ccc;
    padding: 50px;
    text-align: center;
}

/* Wrapper */
.icon-button {
    background-color: white;
    border-radius: 3.6rem;
    cursor: pointer;
    display: inline-block;
    font-size: 2.0rem;
    height: 3.6rem;
    line-height: 3.6rem;
    margin: 0 5px;
    position: relative;
    text-align: center;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    width: 3.6rem;
}

/* Circle */
.icon-button span {
    border-radius: 0;
    display: block;
    height: 0;
    left: 50%;
    margin: 0;
    position: absolute;
    top: 50%;
    -webkit-transition: all 0.3s;
       -moz-transition: all 0.3s;
         -o-transition: all 0.3s;
            transition: all 0.3s;
    width: 0;
}
.icon-button:hover span {
    width: 3.6rem;
    height: 3.6rem;
    border-radius: 3.6rem;
    margin: -1.8rem;
}
.twitter span {
    background-color: #4099ff;
}
.facebook span {
    background-color: #3B5998;
}
.google-plus span {
    background-color: #db5a3c;
}

/* Icons */
.icon-button i {
    background: none;
    color: white;
    height: 3.6rem;
    left: 0;
    line-height: 3.6rem;
    position: absolute;
    top: 0;
    -webkit-transition: all 0.3s;
       -moz-transition: all 0.3s;
         -o-transition: all 0.3s;
            transition: all 0.3s;
    width: 3.6rem;
    z-index: 10;
}
.icon-button .icon-twitter {
    color: #4099ff;
}
.icon-button .icon-facebook {
    color: #3B5998;
}
.icon-button .icon-google-plus {
    color: #db5a3c;
}
.icon-button:hover .icon-twitter,
.icon-button:hover .icon-facebook,
.icon-button:hover .icon-google-plus {
    color: white;

}
</style>


Use This Code if you don't have: (blogger Post)

<link rel="stylesheet" type="text/css" href="https://netdna.bootstrapcdn.com/font-awesome/3.1.1/css/font-awesome.css">