diff --git a/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/chrome.css b/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/chrome.css
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+++ b/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/chrome.css
@@ -0,0 +1,27 @@
+
+/* Selected-Tabs Theme */
+.tabbrowser-tab:is([selected], [visuallyselected], [multiselected])
+    .tab-background {
+    background-color: color-mix(
+        in srgb,
+        var(--identity-tab-color, var(--tab-group-color-gray-invert)) 15%,
+        transparent
+    ) !important;
+    border: 2.5px solid
+        color-mix(
+            in srgb,
+            var(--identity-tab-color, var(--tab-group-color-gray-invert)) 20%,
+            transparent
+        ) !important;
+    opacity: 0.8 !important;
+    /* Selected-Non-essentials-Tabs Theme */
+    &:not(.zen-essentials-container .tab-background) {
+        border-left: 32px solid
+            color-mix(
+                in srgb,
+                var(--identity-tab-color, var(--tab-group-color-gray-invert))
+                    20%,
+                transparent
+            ) !important;
+    }
+}
diff --git a/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/image.png b/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/image.png
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diff --git a/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/readme.md b/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/readme.md
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+++ b/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/readme.md
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+
+# Container Tab Highlighting
+
+Highlight tabs with container color
diff --git a/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/theme.json b/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/theme.json
new file mode 100644
index 00000000..cba59968
--- /dev/null
+++ b/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/theme.json
@@ -0,0 +1,14 @@
+{
+    "id": "9282ad4f-3fe2-4ef9-81e8-3d4002d2a987",
+    "name": "Container Tab Highlight",
+    "description": "Highlight tabs with container color",
+    "homepage": "https://github.com/parintorn0/zen-container-tab-highlighting",
+    "style": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/chrome.css",
+    "readme": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/readme.md",
+    "image": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/9282ad4f-3fe2-4ef9-81e8-3d4002d2a987/image.png",
+    "author": "parintorn0",
+    "version": "1.0.0",
+    "tags": [],
+    "createdAt": "2026-04-04",
+    "updatedAt": "2026-04-04"
+}
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