diff --git a/docs/Google-Student-Ambassador/part-1-getting-started/index.mdx b/docs/Google-Student-Ambassador/part-1-getting-started/index.mdx
index 6b1a203..af87c80 100644
--- a/docs/Google-Student-Ambassador/part-1-getting-started/index.mdx
+++ b/docs/Google-Student-Ambassador/part-1-getting-started/index.mdx
@@ -49,7 +49,7 @@ Become a **Google Student Ambassador** and introduce *Gemini AI* to your college
     href="https://event.recodehive.com/gemini"
     target="_blank"
     rel="noopener"
-    className="inline-block bg-indigo-600 hover:bg-indigo-700 text-white font-semibold px-8 py-3 rounded-lg shadow-lg transition-colors"
+    className="inline-block bg-gradient-to-r from-green-300 to-blue-500 hover:from-green-400 hover:to-blue-600 text-black font-semibold px-8 py-3 rounded-lg shadow-lg transition-colors" 
   >
  
   </a>
diff --git a/docs/Google-Student-Ambassador/part-2-application-process/index.mdx b/docs/Google-Student-Ambassador/part-2-application-process/index.mdx
index c359099..b72fd3c 100644
--- a/docs/Google-Student-Ambassador/part-2-application-process/index.mdx
+++ b/docs/Google-Student-Ambassador/part-2-application-process/index.mdx
@@ -58,7 +58,7 @@ As a selected ambassador, you will:
     href="https://event.recodehive.com/gemini"
     target="_blank"
     rel="noopener"
-    className="inline-block bg-indigo-600 hover:bg-indigo-700 text-white font-semibold px-8 py-3 rounded-lg shadow-lg transition-colors"
+    className="inline-block bg-gradient-to-r from-green-300 to-blue-500 hover:from-green-400 hover:to-blue-600 text-black font-semibold px-8 py-3 rounded-lg shadow-lg transition-colors"
   >
     👉 Apply Now
   </a>
diff --git a/docs/Google-Student-Ambassador/part-3-eligibility/index.mdx b/docs/Google-Student-Ambassador/part-3-eligibility/index.mdx
index 686fc67..26573f0 100644
--- a/docs/Google-Student-Ambassador/part-3-eligibility/index.mdx
+++ b/docs/Google-Student-Ambassador/part-3-eligibility/index.mdx
@@ -42,7 +42,7 @@ More FAQs and full program details will be shared in the next update. But don’
     href="https://t2m.io/GSA"
     target="_blank"
     rel="noopener"
-    className="inline-block bg-indigo-600 hover:bg-indigo-700 text-white font-semibold px-8 py-3 rounded-lg shadow-lg transition-colors"
+    className="inline-block bg-gradient-to-r from-green-300 to-blue-500 hover:from-green-400 hover:to-blue-600 text-black font-semibold px-8 py-3 rounded-lg shadow-lg transition-colors" 
   >
     👉 Apply Now
   </a>
diff --git a/docs/python/python-variables.md b/docs/python/python-variables.md
index 0de14fa..76dcb1a 100644
--- a/docs/python/python-variables.md
+++ b/docs/python/python-variables.md
@@ -91,7 +91,7 @@ def = 30        # 'def' is a keyword
 Python variables can hold different types of data:
 
 
-  <img src="./assets/data-type.png"/>
+  <img src="./assets/data-type.png" alt="data-type table" />
 
 ### 6. Type Checking with `type()`
 
@@ -237,4 +237,4 @@ Items: ['pen', 'notebook']
 * Covers both global and local variables
 * Explains `del`, `global`, and `id()` functions
 * Includes formatted tables and output blocks
-* Beginner-friendly explanation with examples
\ No newline at end of file
+* Beginner-friendly explanation with examples