.claudia{
    position: fixed;
    bottom: 10px;
    right: 10px;
    width:20px;
    height:20px;
    padding:7px;
    line-height:20px;
    border-radius:50px;
    border:1px solid #fff;
    font-size:15px;
    font-family:courier;
    font-weight:bold;
    z-index:999999999;
    background:rgba(0,0,0,0.1);
}
.claudia a{
    color:white;
    text-shadow:1px 1px 0px #000;
}