/* Wrapper */
.icon-button {
    background-color: #e1e1e1;
    border-radius: 5.6rem;
    cursor: pointer;
    display: inline-block;
    font-size: 2.0rem;
    height: 5.6rem;
    line-height: 5.6rem;
    margin: 0 5px;
    position: relative;
    text-align: center;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    width: 5.6rem;
}

/* 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: 5.6rem;
    height: 5.6rem;
    border-radius: 5.6rem;
    margin: -2.8rem;
}
.bitbucket span { background-color: #205081;}
.blogger span { background-color: #f57d00;}
.facebook span { background-color: #3B5998;}
.flickr span { background-color: #ff0084;}
.google-plus span { background-color: #dc4e41;}
.instagram span { background-color: #3f729b;}
.linkedin span { background-color: #8d6cab;}
.twitter span { background-color: #55acee;}
.youtube span { background-color: #cd201f;}

/* Icons */
.icon-button i {
    font-size: 40px;
    background: none;
    color: white;
    height: 5.6rem;
    left: 0;
    line-height: 5.6rem;
    position: absolute;
    top: 0;
    -webkit-transition: all 0.3s;
       -moz-transition: all 0.3s;
         -o-transition: all 0.3s;
            transition: all 0.3s;
    width: 5.6rem;
    z-index: 10;
}
.icon-button .icon-bitbucket { color: #205081;}
.icon-button .icon-blogger { color: #f57d00;}
.icon-button .icon-facebook { color: #3B5998;}
.icon-button .icon-flickr { color: #ff0084;}
.icon-button .icon-google-plus { color: #dc4e41;}
.icon-button .icon-instagram { color: #3f729b;}
.icon-button .icon-linkedin { color: #8d6cab;}
.icon-button .icon-twitter { color: #55acee;}
.icon-button .icon-youtube { color: #cd201f;}

.icon-button:hover .icon-bitbucket,
.icon-button:hover .icon-blogger,
.icon-button:hover .icon-facebook,
.icon-button:hover .icon-flickr,
.icon-button:hover .icon-google-plus,
.icon-button:hover .icon-instagram,
.icon-button:hover .icon-linkedin,
.icon-button:hover .icon-twitter,
.icon-button:hover .icon-youtube {
    color: white;
}