From b23cecd3a86b1417463344dbd84769fbeb56f03b Mon Sep 17 00:00:00 2001
From: Kristiyan Kostadinov <crisbeto@users.noreply.github.com>
Date: Wed, 18 Jul 2018 20:09:58 +0200
Subject: [PATCH] fix(menu): collapse empty menu panel (#12211)

---
 src/lib/menu/menu.scss | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/lib/menu/menu.scss b/src/lib/menu/menu.scss
index 78ff0c261af5..cebbfb9283ab 100644
--- a/src/lib/menu/menu.scss
+++ b/src/lib/menu/menu.scss
@@ -19,7 +19,8 @@ $mat-menu-submenu-indicator-size: 10px !default;
   }
 }
 
-.mat-menu-content {
+// `:not(:empty)` allows for the menu to collapse to 0x0 when it doesn't have content.
+.mat-menu-content:not(:empty) {
   padding-top: $mat-menu-vertical-padding;
   padding-bottom: $mat-menu-vertical-padding;
 }