diff --git a/src/components/footer.jsx b/src/components/footer.jsx
index 52aac57..7304df1 100644
--- a/src/components/footer.jsx
+++ b/src/components/footer.jsx
@@ -99,7 +99,7 @@ const Footer = ({ siteTitle }) => (
         </div>
         <div className="credits">
           Design par{" "}
-          <a href="http://sage-tech.com" target="_blank">
+          <a href="https://sage-tech.com" target="_blank">
             Sage Tech
           </a>
         </div>
diff --git a/src/static/img/course-1.jpg b/src/static/img/course-1.jpg
index 7e55e6d..dc00c05 100644
Binary files a/src/static/img/course-1.jpg and b/src/static/img/course-1.jpg differ
diff --git a/src/static/img/hero-bg.jpg b/src/static/img/hero-bg.jpg
index 5b922e3..e6f3e71 100644
Binary files a/src/static/img/hero-bg.jpg and b/src/static/img/hero-bg.jpg differ