diff --git a/app/src/main/kotlin/at/bitfire/davdroid/ui/account/CollectionsList.kt b/app/src/main/kotlin/at/bitfire/davdroid/ui/account/CollectionsList.kt
index 07eecba77..e9b439dac 100644
--- a/app/src/main/kotlin/at/bitfire/davdroid/ui/account/CollectionsList.kt
+++ b/app/src/main/kotlin/at/bitfire/davdroid/ui/account/CollectionsList.kt
@@ -29,6 +29,7 @@ import androidx.compose.material.icons.filled.Contacts
 import androidx.compose.material.icons.filled.RemoveCircle
 import androidx.compose.material.icons.filled.Task
 import androidx.compose.material.icons.filled.Today
+import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.ElevatedCard
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
@@ -112,7 +113,9 @@ fun CollectionList_Item(
         modifier = modifier.clickable(onClick = onShowDetails)
 
     ElevatedCard(
-        modifier = modifier
+        colors = CardDefaults.elevatedCardColors(
+            containerColor = MaterialTheme.colorScheme.surfaceContainer
+        )
     ) {
         Row(Modifier.height(IntrinsicSize.Max)) {
             Box(
diff --git a/app/src/main/kotlin/at/bitfire/davdroid/ui/webdav/WebdavMountsScreen.kt b/app/src/main/kotlin/at/bitfire/davdroid/ui/webdav/WebdavMountsScreen.kt
index e847298f9..391aa0e56 100644
--- a/app/src/main/kotlin/at/bitfire/davdroid/ui/webdav/WebdavMountsScreen.kt
+++ b/app/src/main/kotlin/at/bitfire/davdroid/ui/webdav/WebdavMountsScreen.kt
@@ -29,7 +29,8 @@ import androidx.compose.material.icons.filled.Add
 import androidx.compose.material.icons.filled.Delete
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
-import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ElevatedCard
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.FloatingActionButton
 import androidx.compose.material3.Icon
@@ -174,7 +175,7 @@ fun WebdavMountsScreen(
                         Spacer(Modifier.height(4.dp))
 
                     LazyColumn(
-                        verticalArrangement = Arrangement.spacedBy(8.dp),
+                        verticalArrangement = Arrangement.spacedBy(12.dp),
                         modifier = Modifier
                             .fillMaxSize()
                             .padding(8.dp)
@@ -253,8 +254,10 @@ fun WebdavMountsItem(
         )
     }
 
-    Card(
-        modifier = Modifier.fillMaxWidth()
+    ElevatedCard(
+        colors = CardDefaults.elevatedCardColors(
+            containerColor = MaterialTheme.colorScheme.surfaceContainer
+        )
     ) {
         Column(
             modifier = Modifier
@@ -349,33 +352,59 @@ fun WebdavMountsItem(
 @Composable
 @Preview
 fun WebdavMountsScreen_Preview_Empty() {
-    WebdavMountsScreen(
-        mountInfos = emptyList(),
-        refreshingQuota = false
-    )
+    AppTheme {
+        WebdavMountsScreen(
+            mountInfos = emptyList(),
+            refreshingQuota = false
+        )
+    }
 }
 
 @Composable
 @Preview
 fun WebdavMountsScreen_Preview_TwoMounts() {
-    WebdavMountsScreen(
-        mountInfos = listOf(
-            WebDavMountWithQuota(
-                mount = WebDavMount(
-                    id = 0,
-                    name = "Preview Webdav Mount 1",
-                    url = HttpUrl.Builder()
-                        .scheme("https")
-                        .host("example.com")
-                        .build()
+    AppTheme {
+        WebdavMountsScreen(
+            mountInfos = listOf(
+                WebDavMountWithQuota(
+                    mount = WebDavMount(
+                        id = 0,
+                        name = "Preview Webdav Mount 1",
+                        url = HttpUrl.Builder()
+                            .scheme("https")
+                            .host("example.com")
+                            .build()
+                    ),
+                    quotaAvailable = 1024 * 1024 * 1024,
+                    quotaUsed = 512 * 1024 * 1024
                 ),
-                quotaAvailable = 1024 * 1024 * 1024,
-                quotaUsed = 512 * 1024 * 1024
+                WebDavMountWithQuota(
+                    mount = WebDavMount(
+                        id = 1,
+                        name = "Preview Webdav Mount 2",
+                        url = HttpUrl.Builder()
+                            .scheme("https")
+                            .host("example.com")
+                            .build()
+                    ),
+                    quotaAvailable = 1024 * 1024 * 1024,
+                    quotaUsed = 512 * 1024 * 1024
+                )
             ),
-            WebDavMountWithQuota(
+            refreshingQuota = true
+        )
+    }
+}
+
+@Composable
+@Preview
+fun WebdavMountsItem_Preview() {
+    AppTheme {
+        WebdavMountsItem(
+            info = WebDavMountWithQuota(
                 mount = WebDavMount(
-                    id = 1,
-                    name = "Preview Webdav Mount 2",
+                    id = 0,
+                    name = "Preview Webdav Mount",
                     url = HttpUrl.Builder()
                         .scheme("https")
                         .host("example.com")
@@ -384,28 +413,8 @@ fun WebdavMountsScreen_Preview_TwoMounts() {
                 quotaAvailable = 1024 * 1024 * 1024,
                 quotaUsed = 512 * 1024 * 1024
             )
-        ),
-        refreshingQuota = true
-    )
-}
-
-@Composable
-@Preview
-fun WebdavMountsItem_Preview() {
-    WebdavMountsItem(
-        info = WebDavMountWithQuota(
-            mount = WebDavMount(
-                id = 0,
-                name = "Preview Webdav Mount",
-                url = HttpUrl.Builder()
-                    .scheme("https")
-                    .host("example.com")
-                    .build()
-            ),
-            quotaAvailable = 1024 * 1024 * 1024,
-            quotaUsed = 512 * 1024 * 1024
         )
-    )
+    }
 }
 
 
diff --git a/app/src/ose/kotlin/at/bitfire/davdroid/ui/ThemeColors.kt b/app/src/ose/kotlin/at/bitfire/davdroid/ui/ThemeColors.kt
index f4f9cb4d6..9e6d25051 100644
--- a/app/src/ose/kotlin/at/bitfire/davdroid/ui/ThemeColors.kt
+++ b/app/src/ose/kotlin/at/bitfire/davdroid/ui/ThemeColors.kt
@@ -81,7 +81,7 @@ object M3ColorScheme {
     val surfaceBrightDark = Color(0xFF4d4d4d)
     val surfaceContainerLowestDark = Color(0xFF141414)
     val surfaceContainerLowDark = Color(0xFF1f1f1f)
-    val surfaceContainerDark = Color(0xFFf5f5f5)
+    val surfaceContainerDark = Color(0xff3a3a3a)
     val surfaceContainerHighDark = Color(0xFF383838)
     val surfaceContainerHighestDark = Color(0xFF434343)