message: More styling for the terminal sidebars
diff: */
  /* terminal styles */
  @import 'general-gui/pxToRem';
  +@import 'general-gui/variables';
  :host {
  display: block;
  #ID_WEST_CONTAINER, #ID_EAST_CONTAINER, #ID_NORTH_CONTAINER, #ID_SOUTH_CONTAINER {
  flex: 0 0 auto;
  -}
  -#ID_WEST_CONTAINER {
  - background-color: #ff0000;
  -}
  + background: $tab-bar-background-color;
  -#ID_EAST_CONTAINER {
  - background-color: #ffff00;
  + & > * {
  + margin: $panel-body-padding;
  + display: block;
  }
  +}
  +
  #ID_NORTH_CONTAINER {
  - background-color: #ff00ff;
  + border-bottom: 1px solid $tab-border-color;
  + padding-bottom: -1px;
  +
  }
  +
  #ID_SOUTH_CONTAINER {
  - background-color: #00ff00;
  + border-top: 1px solid $tab-border-color;
  + padding-top: -1px;
  }
  +#ID_WEST_CONTAINER {
  + border-right: 1px solid $tab-border-color;
  + padding-right: -1px;
  +}
  +
  +#ID_EAST_CONTAINER {
  + border-left: 1px solid $tab-border-color;
  + padding-left: -1px;
  +}
  #ID_CENTER_COLUMN {
  flex: 1 1 auto;
  