diff --git a/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/chrome.css b/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/chrome.css
new file mode 100644
index 00000000..072d9c36
--- /dev/null
+++ b/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/chrome.css
@@ -0,0 +1,13 @@
+
+#sidebar-box {
+  background: var(--zen-colors-tertiary) !important;
+  border: var(--zen-appcontent-border) !important;
+  
+  display: flex !important;
+  transition: 400ms cubic-bezier(0,0,.15,1.28) !important;
+  
+  &[hidden] {
+    width: 0 !important;
+    min-width: 0 !important;
+  }
+}
diff --git a/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/image.png b/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/image.png
new file mode 100644
index 00000000..cce0eb1f
Binary files /dev/null and b/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/image.png differ
diff --git a/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/readme.md b/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/readme.md
new file mode 100644
index 00000000..b68f5ede
--- /dev/null
+++ b/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/readme.md
@@ -0,0 +1,2 @@
+
+Uniform firefox generic sidebar with smooth animation
diff --git a/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/theme.json b/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/theme.json
new file mode 100644
index 00000000..a070b4d7
--- /dev/null
+++ b/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/theme.json
@@ -0,0 +1 @@
+{"id": "11beb01c-6ed1-4559-bb81-7e94d9ae8031", "name": "Uniform Sidebar", "description": "Uniform Firefox Sidebar", "homepage": "", "style": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/chrome.css", "readme": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/readme.md", "image": "https://raw.githubusercontent.com/zen-browser/theme-store/main/themes/11beb01c-6ed1-4559-bb81-7e94d9ae8031/image.png", "author": "Gnkalk", "version": "1.0.0"}
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