diff --git a/css/buttons.css b/css/buttons.css
index d4b5793..b959129 100644
--- a/css/buttons.css
+++ b/css/buttons.css
@@ -194,7 +194,7 @@
 					}
 				}
 
-				&:hover:not(:disabled):not(.button-vue--disabled):not(&.modal-container__close) {
+				&:hover:not(:disabled):not(.button-vue--disabled):not(&.modal-container__close):not(.icon-collapse) {
 					background-color: var(--ion-color-blue-b4);
 
 					.button-vue__icon span[role=img]>svg {
@@ -202,7 +202,7 @@
 					}
 				}
 
-				&:active:not(:disabled):not(.button-vue--disabled):not(&.modal-container__close) {
+				&:active:not(:disabled):not(.button-vue--disabled):not(&.modal-container__close):not(.icon-collapse) {
 					background-color: var(--ion-color-primary);
 
 					.button-vue__icon span[role=img]>svg {
@@ -294,4 +294,10 @@
 		align-items: center;
 		gap: 8px;
 	}
+
+	/* drop down chevron-up and down icon */
+	.vs__open-indicator-button svg{
+		height: 16px;
+		width: 16px;
+	}
 }
diff --git a/css/navigation.css b/css/navigation.css
index a672f48..708da6a 100644
--- a/css/navigation.css
+++ b/css/navigation.css
@@ -57,6 +57,7 @@
 			margin: 6px;
 			background-color: transparent;
 			span[role=img]>svg {
+				height: 16px;
 				color: var(--ion-color-secondary);
 			}
 			&:hover {
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index 7ef8a94..c72a6f4 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * SPDX-FileLicenseText: 2023 T-Systems International
  * SPDX-FileLicenseText: 2024 STRATO AG
diff --git a/lib/Service/OverrideThemesService.php b/lib/Service/OverrideThemesService.php
index 41a962c..bab8939 100644
--- a/lib/Service/OverrideThemesService.php
+++ b/lib/Service/OverrideThemesService.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * SPDX-FileLicenseText: 2023 T-Systems International
  * SPDX-FileLicenseText: 2024 STRATO AG