fix: adjust layout height

src/app/app.component.scss

@@ -2,11 +2,6 @@
 @import 'color';
 @import 'layout';
 
-.app-container {
-  display: block;
-  flex-direction: column;
-}
-
 @media print {
   .app-body {
     height: 100% !important;
@@ -18,7 +13,6 @@
   overflow-y: auto;
   overflow-x: hidden;
   position: relative;
-  height: calc(100svh - #{$header-height});
 }
 
 .loader {

src/app/header/header.component.scss

@@ -15,6 +15,9 @@
   border-bottom: solid 1px $grey-4;
   background-color: $white;
   padding: 0 20px;
+  position: sticky;
+  top: 0;
+  z-index: 50;
   .right-header {
     @media #{$tablet} {
       display: none !important;

src/styles.scss

@@ -28,9 +28,6 @@ body {
   padding: 0;
   color: $black;
   background-color: $grey-8;
-  min-height: 100vh;
-  min-height: -webkit-fill-available;
-  overflow: hidden;
   ::-webkit-scrollbar {
     width: 8px;
   }