auto-hide-sidebar.css

/*
 * Description: Auto-hide sidebar.
 *
 * Contributor(s): img2tab
 */

/* To right-align the sidebar, replace all occurrences of "left" with "right", and "margin-right" with "margin-left" */

:root {
  --sidebar-hover-width: 10px;
  --sidebar-visible-width: 200px;
}

#sidebar-box {
  position: relative !important;
  overflow-x: hidden !important;
  margin-right: calc(var(--sidebar-hover-width) * -1) !important;
  left: var(--sidebar-hover-width) !important;
  min-width: var(--sidebar-hover-width) !important;
  max-width: var(--sidebar-hover-width) !important;
  border-right: 1px solid var(--sidebar-border-color);
  z-index: 1;
}

#sidebar-box:hover {
  margin-right: calc(var(--sidebar-visible-width) * -1) !important;
  left: var(--sidebar-visible-width) !important;
  min-width: var(--sidebar-visible-width) !important;
  max-width: var(--sidebar-visible-width) !important;
}

#sidebar {
  opacity: 0 !important;
}

#sidebar-box:hover #sidebar {
  opacity: 1 !important;
}

/* #sidebar-header is hidden by default, change "none" to "inherit" to restore it. */
#sidebar-header {
  display: none !important;
}

/* #sidebar-splitter styles the divider between the sidebar and the rest of the browser. */
#sidebar-splitter {
  display: none;
}