User Guide Changing sidenav elements Changing sidenav elements# Bulma sphinx theme supports customising the elements that show up in the sidenav (left). Changing sidenav width# Bulma sphinx theme allows specifying the width of sidenav, the sidenav width is 20% by default. To change the width, you need to provide the sidenav-width css variable configuration value to Bulma sphinx theme, for example, html_theme_options = { "css_variables": { "sidenav-width": "20%", } } Last updated on May 31, 2023. previous Navbar configuration next Source Buttons