IPython/html/static/notebook/less/savewidget.less

span#save_widget {
    margin-top: 6px;
}

span#checkpoint_status, span#autosave_status {
    font-size: small;
}

@media (max-width: 767px) {
    span#save_widget {
        font-size: small;
    }
    span#checkpoint_status, span#autosave_status {
        font-size: x-small;
    }
}

@media (max-width: 767px) {
    span#checkpoint_status, span#autosave_status {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 979px) {
    span#checkpoint_status {
        display: none;
    }
    span#autosave_status {
        font-size: x-small;
    }
}