diff --git a/.github/prompts/code-review.prompt.md b/.github/prompts/code-review.prompt.md
new file mode 100644
index 0000000..46e94e2
--- /dev/null
+++ b/.github/prompts/code-review.prompt.md
@@ -0,0 +1,42 @@
+---
+description: Perform a thorough code review
+agent: ask
+---
+
+# Code Review
+
+Perform a thorough code review of the currently selected code.
+
+## Code to Review
+
+${selection}
+
+## Review Checklist
+
+### 1. Correctness
+- Does the code do what it's supposed to?
+- Are there any logical errors?
+- Are edge cases handled?
+
+### 2. Security
+- Is user input validated and sanitized?
+- Are there SQL injection or XSS vulnerabilities?
+- Is sensitive data handled properly?
+
+### 3. Performance
+- Are there any N+1 query issues?
+- Is there unnecessary computation?
+
+### 4. Readability
+- Are names descriptive and consistent?
+- Is the code self-documenting?
+
+## Output Format
+
+For each issue found, provide:
+- **Severity**: 🔴 Critical / 🟡 Warning / 🔵 Suggestion
+- **Line(s)**: Where the issue is
+- **Issue**: What's wrong
+- **Fix**: How to fix it
+
+End with a summary of the overall code quality.
\ No newline at end of file
diff --git a/src/static/index.html b/src/static/index.html
index 9cad9f4..6b1f1c9 100644
--- a/src/static/index.html
+++ b/src/static/index.html
@@ -12,6 +12,9 @@
/>
+
+ 📢 Activity registration is open until the end of the month. Don't lose your spot!
+
Mergington High School
Extracurricular Activities
diff --git a/src/static/styles.css b/src/static/styles.css
index 83361b1..b5e1d91 100644
--- a/src/static/styles.css
+++ b/src/static/styles.css
@@ -654,6 +654,14 @@ footer {
font-size: 1rem;
}
+.announcement-banner {
+ background-color: rgb(84, 146, 84);
+ color: white;
+ text-align: center;
+ padding: 15px;
+ font-weight: bold;
+}
+
#logout-button {
padding: 3px 10px;
background-color: rgba(255, 255, 255, 0.2);