diff --git a/src/layouts/currentLayout/currentLayout.component.ts b/src/layouts/currentLayout/currentLayout.component.ts
index 313f1cd93467cb08955bd92f2dc728568427bf62..be31bf00347ec1bee75eba254c3ff866b7ac4304 100644
--- a/src/layouts/currentLayout/currentLayout.component.ts
+++ b/src/layouts/currentLayout/currentLayout.component.ts
@@ -4,7 +4,6 @@ import { Observable } from "rxjs";
 import { startWith } from "rxjs/operators";
 import { SUPPORTED_PANEL_MODES } from "src/services/state/ngViewerState.store";
 import { ngViewerSelectorPanelMode } from "src/services/state/ngViewerState/selectors";
-import { IavRootStoreInterface } from "src/services/stateStore.service";
 
 @Component({
   selector: 'current-layout',
@@ -20,7 +19,7 @@ export class CurrentLayout {
   public panelMode$: Observable<string>
 
   constructor(
-    private store$: Store<IavRootStoreInterface>,
+    private store$: Store<any>,
   ) {
     this.panelMode$ = this.store$.pipe(
       select(ngViewerSelectorPanelMode),
diff --git a/src/layouts/currentLayout/currentLayout.style.css b/src/layouts/currentLayout/currentLayout.style.css
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..a633460dc9cd04a4e563a2a926b4d486cba421d4 100644
--- a/src/layouts/currentLayout/currentLayout.style.css
+++ b/src/layouts/currentLayout/currentLayout.style.css
@@ -0,0 +1,6 @@
+:host
+{
+  width: 100%;
+  height: 100%;
+  display: block;
+}
\ No newline at end of file
diff --git a/src/layouts/currentLayout/currentLayout.template.html b/src/layouts/currentLayout/currentLayout.template.html
index f3d04c104239b9e81f3ff0552c892e86c444ba0d..9575932ed1de52ea23341d6570a48b32225c9160 100644
--- a/src/layouts/currentLayout/currentLayout.template.html
+++ b/src/layouts/currentLayout/currentLayout.template.html
@@ -1,72 +1,72 @@
-<div [ngSwitch]="panelMode$ | async" class="w-100 h-100 d-flex flex-row">
+<ng-container [ngSwitch]="panelMode$ | async">
   <layout-four-panel
     *ngSwitchCase="supportedPanelModes[0]"
     class="d-block w-100 h-100">
-    <div class="w-100 h-100" cell-i>
+    <ng-container cell-i>
       <ng-content *ngTemplateOutlet="celli"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-ii>
+    </ng-container>
+    <ng-container cell-ii>
       <ng-content *ngTemplateOutlet="cellii"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-iii>
+    </ng-container>
+    <ng-container cell-iii>
       <ng-content *ngTemplateOutlet="celliii"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-iv>
+    </ng-container>
+    <ng-container cell-iv>
       <ng-content *ngTemplateOutlet="celliv"></ng-content>
-    </div>
+    </ng-container>
   </layout-four-panel>
   <layout-horizontal-one-three
     *ngSwitchCase="supportedPanelModes[1]"
     class="d-block w-100 h-100">
-    <div class="w-100 h-100" cell-i>
+    <ng-container cell-i>
       <ng-content *ngTemplateOutlet="celli"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-ii>
+    </ng-container>
+    <ng-container cell-ii>
       <ng-content *ngTemplateOutlet="cellii"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-iii>
+    </ng-container>
+    <ng-container cell-iii>
       <ng-content *ngTemplateOutlet="celliii"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-iv>
+    </ng-container>
+    <ng-container cell-iv>
       <ng-content *ngTemplateOutlet="celliv"></ng-content>
-    </div>
+    </ng-container>
   </layout-horizontal-one-three>
   <layout-vertical-one-three
     *ngSwitchCase="supportedPanelModes[2]"
     class="d-block w-100 h-100">
-    <div class="w-100 h-100" cell-i>
+    <ng-container cell-i>
       <ng-content *ngTemplateOutlet="celli"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-ii>
+    </ng-container>
+    <ng-container cell-ii>
       <ng-content *ngTemplateOutlet="cellii"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-iii>
+    </ng-container>
+    <ng-container cell-iii>
       <ng-content *ngTemplateOutlet="celliii"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-iv>
+    </ng-container>
+    <ng-container cell-iv>
       <ng-content *ngTemplateOutlet="celliv"></ng-content>
-    </div>
+    </ng-container>
   </layout-vertical-one-three>
   <layout-single-panel
     *ngSwitchCase="supportedPanelModes[3]"
     class="d-block w-100 h-100">
-    <div class="w-100 h-100" cell-i>
+    <ng-container cell-i>
       <ng-content *ngTemplateOutlet="celli"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-ii>
+    </ng-container>
+    <ng-container cell-ii>
       <ng-content *ngTemplateOutlet="cellii"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-iii>
+    </ng-container>
+    <ng-container cell-iii>
       <ng-content *ngTemplateOutlet="celliii"></ng-content>
-    </div>
-    <div class="w-100 h-100" cell-iv>
+    </ng-container>
+    <ng-container cell-iv>
       <ng-content *ngTemplateOutlet="celliv"></ng-content>
-    </div>
+    </ng-container>
   </layout-single-panel>
   <div *ngSwitchDefault>
     A panel mode which I have never seen before ...
   </div>
-</div>
+</ng-container>
 
 <ng-template #celli>
   <ng-content select="[cell-i]"></ng-content>
diff --git a/src/layouts/layouts/fourPanel/fourPanel.style.css b/src/layouts/layouts/fourPanel/fourPanel.style.css
index 03169dfb4b9564f62c86ca9250303c5337927861..c967cad95281436e99d2fe073018148ae818c4bd 100644
--- a/src/layouts/layouts/fourPanel/fourPanel.style.css
+++ b/src/layouts/layouts/fourPanel/fourPanel.style.css
@@ -1,4 +1,12 @@
 .four-panel-cell
 {
   flex: 0 0 50%;
+}
+
+.four-panel-container
+{
+  display: grid;
+  grid-template-columns: 50% 50%;
+  grid-template-rows: 50% 50%;
+  height: 100%;
 }
\ No newline at end of file
diff --git a/src/layouts/layouts/fourPanel/fourPanel.template.html b/src/layouts/layouts/fourPanel/fourPanel.template.html
index ddb10f1f6a34adda68f578625dd843baf536dfa0..9e747c2a9cf43469711a520b225b92353090c523 100644
--- a/src/layouts/layouts/fourPanel/fourPanel.template.html
+++ b/src/layouts/layouts/fourPanel/fourPanel.template.html
@@ -1,18 +1,14 @@
-<div class="w-100 h-100 d-flex flex-column justify-content-center align-items-stretch">
-  <div class="d-flex flex-row flex-grow-1 flex-shrink-1">
-    <div class="d-flex flex-row four-panel-cell align-items-center justify-content-center">
-      <ng-content select="[cell-i]"></ng-content>
-    </div>
-    <div class="d-flex flex-row four-panel-cell align-items-center justify-content-center">
-      <ng-content select="[cell-ii]"></ng-content>
-    </div>
+<div class="four-panel-container">
+  <div>
+    <ng-content select="[cell-i]"></ng-content>
   </div>
-  <div class="d-flex flex-row flex-grow-1 flex-shrink-1">
-    <div class="d-flex flex-row four-panel-cell align-items-center justify-content-center">
-      <ng-content select="[cell-iii]"></ng-content>
-    </div>
-    <div class="d-flex flex-row four-panel-cell align-items-center justify-content-center">
-      <ng-content select="[cell-iv]"></ng-content>
-    </div>
+  <div>
+    <ng-content select="[cell-ii]"></ng-content>
+  </div>
+  <div>
+    <ng-content select="[cell-iii]"></ng-content>
+  </div>
+  <div>
+    <ng-content select="[cell-iv]"></ng-content>
   </div>
 </div>
diff --git a/src/layouts/layouts/single/single.template.html b/src/layouts/layouts/single/single.template.html
index 561a6363b701518ec5d27b1f0d78507e02afe30a..fcf3a11e33d91bac185b09150761e7487b3e7ae5 100644
--- a/src/layouts/layouts/single/single.template.html
+++ b/src/layouts/layouts/single/single.template.html
@@ -1,18 +1,3 @@
-<div class="w-100 h-100 d-flex flex-row justify-content-center align-items-stretch">
-    <div class="d-flex flex-column major-column">
-      <div class="overflow-hidden flex-grow-1 d-flex align-items-center justify-content-center">
-        <ng-content select="[cell-i]"></ng-content>
-      </div>
-    </div>
-    <div class="d-flex flex-column minor-column">
-      <div class="overflow-hidden layout-31-cell d-flex align-items-center justify-content-center">
-          <ng-content select="[cell-ii]"></ng-content>
-        </div>
-        <div class="overflow-hidden layout-31-cell d-flex align-items-center justify-content-center">
-          <ng-content select="[cell-iii]"></ng-content>
-        </div>
-        <div class="overflow-hidden layout-31-cell d-flex align-items-center justify-content-center">
-          <ng-content select="[cell-iv]"></ng-content>
-        </div>
-    </div>
-  </div>
\ No newline at end of file
+<div class="w-100 h-100">
+  <ng-content select="[cell-i]"></ng-content>
+</div>