diff --git a/packages/frontend/src/components/MkContainer.vue b/packages/frontend/src/components/MkContainer.vue
index 934d31318f..5c88ac3bf6 100644
--- a/packages/frontend/src/components/MkContainer.vue
+++ b/packages/frontend/src/components/MkContainer.vue
@@ -180,10 +180,9 @@ onUnmounted(() => {
 	top: var(--MI-stickyTop, 0px);
 	left: 0;
 	color: var(--MI_THEME-panelHeaderFg);
-	background: var(--MI_THEME-panelHeaderBg);
+	background: color-mix(in srgb, var(--MI_THEME-panelHeaderBg) 35%, transparent);
 	z-index: 2;
 	line-height: 1.4em;
-	background: color-mix(in srgb, var(--MI_THEME-panelHeaderBg) 35%, transparent);
 }
 
 @container style(--MI_THEME-panelHeaderBg: var(--MI_THEME-panel)) {