diff --git a/client/src/app/core/layout/layout.component.html b/client/src/app/core/layout/layout.component.html
index e0b488d..98fe775 100644
--- a/client/src/app/core/layout/layout.component.html
+++ b/client/src/app/core/layout/layout.component.html
@@ -12,12 +12,12 @@
 
 <mat-drawer-container class="example-container" autosize>
   <mat-drawer #drawer class="main_sidenav" mode="side" opened="true" style="border-right: 1px solid #dfdfdf">
-    <button matButton routerLink="/" routerLinkActive="mat-elevation-z1" [routerLinkActiveOptions]="{exact: true}">Home</button>
-    <button matButton routerLink="/keys" routerLinkActive="mat-elevation-z1">Schlüssel</button>
-    <button matButton routerLink="/cylinders" routerLinkActive="mat-elevation-z1">Zylinder</button>
-    <button matButton routerLink="/systems" routerLinkActive="mat-elevation-z1">Schließanlagen</button>
+    <button matButton routerLink="/" routerLinkActive="active-link" [routerLinkActiveOptions]="{exact: true}">Home</button>
+    <button matButton routerLink="/keys" routerLinkActive="active-link" class="mat-elevation-z1">Schlüssel</button>
+    <button matButton routerLink="/cylinders" routerLinkActive="active-link">Zylinder</button>
+    <button matButton routerLink="/systems" routerLinkActive="active-link">Schließanlagen</button>
     @if (isAdmin) {
-      <button matButton routerLink="/users" routerLinkActive="mat-elevation-z1">Alle User</button>
+      <button matButton routerLink="/users" routerLinkActive="active-link">Alle User</button>
     }
     <button matButton (click)="openSidebar()">Einstellungen</button>
     
diff --git a/client/src/styles.scss b/client/src/styles.scss
index ff9709c..996c943 100644
--- a/client/src/styles.scss
+++ b/client/src/styles.scss
@@ -218,4 +218,12 @@ div.ag-row {
 .ag-filter-body-wrapper {
   padding: 8px 12px;
   gap: 6px;
+}
+
+.active-link {
+  // background-color: rgba(0, 0, 0, 0.08) !important;
+  font-weight: 500 !important;
+  box-shadow: 0 3px 1px -2px rgba(0,0,0,.2),0 2px 2px 0 rgba(0,0,0,.14),0 1px 5px 0 rgba(0,0,0,.12);
+  border-top-right-radius: 0 !important;
+  border-bottom-right-radius: 0 !important;
 }
\ No newline at end of file