[class^=share-] {
    display: inline-block;
    width: 48px;
    height: 48px;
    color: #fff;
    opacity: .8;
    border: solid 1px #ccc;
    border-radius: 50%;
}
[class^=share-]:hover {
    cursor: pointer;
    opacity: 1;
}
[class^=share-] svg {
    width: 30px;
    height: 30px;
    margin: 8px;
    overflow: hidden;
    vertical-align: middle;
}
.share-fb {
    background: #3b5998;
}
.share-in {
    background: #0e76a8;
}
.share-vk {
    background: #4a76a8;
}
.share-tg {
    background: #249bd7;
}
.share-ok {
    background: #f93;
}
.share-tw {
    background: #00acee;
}
.share-vb {
    background: #7b519d;
}
.share-wa {
    background: #50b154;
}