.gitbook-link, .summary li[data-path="title-page.html"] {
    display: none;
}

.book-header {
    background: #ffffff;
    border-bottom: 1px solid rgba(0,0,0,.07);
    position: fixed;
    right: 0;
    left: 300px;
}

.page-inner {
    padding: 60px 15px 40px 15px;
}