base.css

/*-----------------------------------------------------------------------------
| Copyright (c) Jupyter Development Team.
| Distributed under the terms of the Modified BSD License.
|----------------------------------------------------------------------------*/

:root {
  --jp-private-topbar-height: 28px;
  /* Override the layout-2 color for the dark theme */
  --md-grey-800: #323232;
  --jp-notebook-max-width: 1200px;
}

/*
  Override the default background
  See https://github.com/jupyterlab/jupyterlab/pull/16519 for more information
*/
body.jp-ThemedContainer {
  margin: 0;
  padding: 0;
  background: var(--jp-layout-color2);
}

#main.jp-ThemedContainer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--jp-layout-color2);
}

#top-panel-wrapper {
  min-height: calc(1.5 * var(--jp-private-topbar-height));
  border-bottom: var(--jp-border-width) solid var(--jp-border-color0);
  background: var(--jp-layout-color1);
}

#top-panel {
  display: flex;
  min-height: calc(1.5 * var(--jp-private-topbar-height));
  padding-left: 5px;
  padding-right: 5px;
  margin-left: auto;
  margin-right: auto;
  max-width: 1200px;
}

#menu-panel-wrapper {
  min-height: var(--jp-private-topbar-height);
  background: var(--jp-layout-color1);
  border-bottom: var(--jp-border-width) solid var(--jp-border-color0);
  box-shadow: var(--jp-elevation-z1);
}

#menu-panel {
  display: flex;
  min-height: var(--jp-private-topbar-height);
  background: var(--jp-layout-color1);
  padding-left: 5px;
  padding-right: 5px;
  margin-left: auto;
  margin-right: auto;
  max-width: var(--jp-notebook-max-width);
}

#main-panel {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--jp-notebook-max-width);
}

#spacer-widget-top {
  min-height: 16px;
}

/* Only edit pages should have a bottom space */

body[data-notebook='edit'] #spacer-widget-bottom {
  min-height: 16px;
}

/* Special case notebooks as document oriented pages */

[data-notebook]:not(body[data-notebook='notebooks']) #main-panel {
  box-shadow: var(--jp-elevation-z4);
}

.jp-TreePanel > .lm-TabPanel-stackedPanel {
  box-shadow: var(--jp-elevation-z4);
}

body[data-notebook='notebooks'] #main-panel {
  margin-left: unset;
  margin-right: unset;
  max-width: unset;
}

body[data-notebook='notebooks'] #spacer-widget-top {
  min-height: unset;
}

#main-panel > .jp-TreePanel {
  padding: 0px 5px;
}

@media only screen and (max-width: 760px) {
  #main-panel > .jp-TreePanel {
    margin: 0px -5px;
  }
}