/* Force the navigation sidebar menu to stack vertically */
#block-jamesrome-theme-navigation ul.menu {
  display: flex !important;
  flex-direction: column !important;
}

/* Force each menu item to take up the full width and clear any floats */
#block-jamesrome-theme-navigation ul.menu li {
  width: 100% !important;
  float: none !important;
}