Fix hero section overlapping navbar

Signed-off-by: Bhumika <bhumikasudarshani@gmail.com>

Author: bhumikasudarshani-cmd

docs/source/_static/theme_overrides.css

@@ -52,4 +52,7 @@ div.rst-content {
 .rst-content ul,
 .rst-content ol {
     margin-left: 1.5rem;
+}
+body {
+  padding-top: 80px;
 }