diff --git a/src/app.css b/src/app.css
index 9dea352..2c42666 100644
--- a/src/app.css
+++ b/src/app.css
@@ -1,5 +1,11 @@
 html, body {
     height: 100%;
+    display: flex;
+    flex-direction: column;
+}
+
+.PageContainer, .Page {
+    height: 100%;
 }
 
 textarea {
diff --git a/src/app.html b/src/app.html
index a528d43..55286a5 100644
--- a/src/app.html
+++ b/src/app.html
@@ -11,7 +11,7 @@
 <body>
     <!-- Шаблон верхнего меню -->
     <template id="main-menu">
-        <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
+        <nav class="MainMenu navbar navbar-expand-lg navbar-dark bg-dark">
             <div class="container-fluid d-flex">
                 <div class="MainMenu__logoBox d-flex align-items-center">
                     <img src="./img/logo.svg" alt="logo" class="MainMenu__logo mr-2">
diff --git a/src/components/main-menu/MainMenu.css b/src/components/main-menu/MainMenu.css
index 7651254..80b2822 100644
--- a/src/components/main-menu/MainMenu.css
+++ b/src/components/main-menu/MainMenu.css
@@ -1,3 +1,7 @@
+.MainMenu {
+    min-height: 74px;
+}
+
 .MainMenu__logo {
     width: 50px;
     margin: 0 20px;
