html_theme = 'alabaster'

html_sidebars = {
    '**': [
        'about.html',
        'navigation.html',
        'relations.html',
        'searchbox.html',
    ]
}

master_doc = 'index'

html_theme = 'alabaster'

html_sidebars = {
    '**': [
        'about.html',
        'navigation.html',
        'relations.html',
        'searchbox.html',
    ]
}

set master_doc to index