diff --git a/apps/nextjs/src/components/board/sections/container-section.tsx b/apps/nextjs/src/components/board/sections/container-section.tsx
index 0c585259d..7e5284f1f 100644
--- a/apps/nextjs/src/components/board/sections/container-section.tsx
+++ b/apps/nextjs/src/components/board/sections/container-section.tsx
@@ -46,6 +46,7 @@ export const BoardContainerSection = ({ section }: Props) => {
       <Card
         className={combineClasses(
           classes.itemCard,
+          classes.containerCard,
           options.customCssClasses.join(" "),
           isVisuallyCollapsed && classes.collapsedContainerCard,
         )}
@@ -56,7 +57,7 @@ export const BoardContainerSection = ({ section }: Props) => {
           root: {
             overflow: "visible",
             "--opacity": board.opacity / 100,
-            "--border-color": options.borderColor || undefined,
+            "--container-border-color": options.borderColor || undefined,
           },
         }}
         radius={board.itemRadius}
@@ -103,6 +104,7 @@ export const BoardContainerSection = ({ section }: Props) => {
         )}
         {!isVisuallyCollapsed && !options.collapsible && options.showLabel && options.title && (
           <Badge
+            className={classes.containerLabel}
             pos="absolute"
             top="calc(var(--mantine-spacing-xs) * -1)"
             left={labelLeft}
@@ -113,12 +115,7 @@ export const BoardContainerSection = ({ section }: Props) => {
             c="var(--mantine-color-text)"
             style={{
               zIndex: 9,
-              overflow: "hidden",
               pointerEvents: "none",
-              textOverflow: "ellipsis",
-              whiteSpace: "nowrap",
-              backgroundColor: "var(--background-color)",
-              borderColor: "var(--border-color)",
             }}
             title={options.title}
             data-board-container-label
@@ -128,6 +125,7 @@ export const BoardContainerSection = ({ section }: Props) => {
         )}
         {options.showOpenAll && !isEditMode && (
           <ActionIcon
+            className={classes.containerAction}
             pos="absolute"
             top={isVisuallyCollapsed ? "50%" : "calc(var(--mantine-spacing-xs) * -1)"}
             right={8}
diff --git a/apps/nextjs/src/components/board/sections/item.module.css b/apps/nextjs/src/components/board/sections/item.module.css
index 319eb7b07..e8b9e4d8f 100644
--- a/apps/nextjs/src/components/board/sections/item.module.css
+++ b/apps/nextjs/src/components/board/sections/item.module.css
@@ -11,6 +11,18 @@
   border-color: var(--border-color) !important;
 }
 
+.containerCard {
+  @mixin dark {
+    --container-default-border-color: var(--mantine-color-dark-4);
+  }
+  @mixin light {
+    --container-default-border-color: var(--mantine-color-gray-3);
+  }
+  --border-color: rgb(
+    from var(--container-border-color, var(--container-default-border-color)) r g b / var(--opacity, 1)
+  );
+}
+
 .itemCard:global(.iframe-wrapper) {
   background-color: transparent !important;
   border-color: transparent !important;
@@ -26,8 +38,8 @@
   z-index: 9;
   overflow: hidden;
   color: var(--mantine-color-text);
-  background-color: var(--background-color);
-  border-color: var(--border-color);
+  background-color: var(--background-color) !important;
+  border-color: var(--border-color) !important;
 }
 
 .containerToggle :global(.mantine-Button-inner) {
@@ -42,6 +54,24 @@
   white-space: nowrap;
 }
 
+.containerLabel,
+.containerAction {
+  background-color: var(--background-color) !important;
+  border-color: var(--border-color) !important;
+}
+
+.containerLabel {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.containerLabel :global(.mantine-Badge-label) {
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
 .containerBody {
   visibility: visible;
   opacity: 1;