.ShareButtons {
    height:21px;
    list-style: none;
    margin:10px 0;
    padding:0;
}
.ShareButtons li {
    float:left;
    padding-right:4px;
}
.ShareButtons .ShareButtonTwitter {
    width:130px;
    height:20px;
}
.ShareButtons .ShareButtonFB {
    width:71px;
    height:21px;
}
.ShareButtons .ShareButtonMixi {
    width:58px;
    height:20px;
}
.ShareButtons .ShareButtonHatena {
    width:50px;
    height:20px;
}