#ssb-button {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    background-color: #333;
    color: #fff;
    padding: 10px;
    border-radius: 5px 0 0 5px;
    z-index: 9999;
}
#ssb-button a {
    color: #fff;
    text-decoration: none;
}