div.documentwrapper div.bodywrapper { margin-left: 350px;}
div.document div.sphinxsidebar { width: 350px; }

div.sphinxsidebarwrapper {
    overflow-y: auto;
    overflow-x: hidden;
    max-height: 100vh;
    overscroll-behavior: contain;
    word-break: break-word; /* or: overflow-wrap: anywhere; */
}