Update nature.css

Author: Nikeshbajaj

_static/nature.css

@@ -77,6 +77,9 @@ div.related {
     text-shadow: 0px 0px 0 #444;
     font-size: 0.9em;
     background-image: linear-gradient(30deg, #e8eef0, #97c6d2);
+    position: sticky;
+    top:30px;
+    z-index: 100;
 }
 
 div.related a {
@@ -87,7 +90,7 @@ div.sphinxsidebar {
     font-size: 0.75em;
     line-height: 1.5em;
     position: sticky;
-    top:10px;
+    top:50px;
 }
 
 div.sphinxsidebarwrapper{