.@{window} {
  box-shadow: @window-shadow;
  border: @window-border;
  border-radius: @window-border-radius;
  .display-flex;
  .flex-direction(column);
  .@{window-content} {
    background: @window-content-background;
    padding: @window-content-padding;
    .flex(1 1 auto);
  }
  .@{window-header} {
    background: @window-header-background;
    padding: @window-header-padding;
    color: @window-header-color;
    font-size: @window-header-font-size;
    border-bottom: @window-header-border-bottom;
    .display-flex;
    .justify-content(space-between);
  }
  .@{window-footer} {
    background: @window-footer-background;
    padding: @window-footer-padding;
    color: @window-footer-color;
    border-top: @window-footer-border-top;
  }
  .@{window-header}, .@{window-footer} {
    .display-flex;
    .justify-content(space-between);
    .flex(0 0 auto);
    min-height: 0;
  }
}