Use correct variable for sidebar hr element.
Use correct variable for sidebar hr element.
ellisonbg/jupyter-alabaster-theme,charnpreetsingh/jupyter-alabaster-theme,jupytercalpoly/jupyter-alabaster-theme,charnpreetsingh/jupyter-alabaster-theme,jupytercalpoly/jupyter-alabaster-theme,ellisonbg/jupyter-alabaster-theme,charnpreetsingh/jupyter-alabaster-theme,jupytercalpoly/jupyter-alabaster-theme,ellisonbg/jupyter-alabaster-theme