diff --git a/layout/_partial/mathjax.ejs b/layout/_partial/mathjax.ejs
index 3c08d0684..16027e8a2 100644
--- a/layout/_partial/mathjax.ejs
+++ b/layout/_partial/mathjax.ejs
@@ -4,7 +4,10 @@ MathJax.Hub.Config({
         inlineMath: [ ['$','$'], ["\\(","\\)"]  ],
         processEscapes: true,
         skipTags: ['script', 'noscript', 'style', 'textarea', 'pre', 'code']
-    }
+    },
+	"HTML-CSS": {
+        showMathMenu: false
+	}
 });
 
 MathJax.Hub.Queue(function() {
@@ -15,5 +18,4 @@ MathJax.Hub.Queue(function() {
 });
 </script>
 
-<script src="//cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
-</script>
+<script async src="//cdn.bootcss.com/mathjax/2.7.0/MathJax.js?config=TeX-MML-AM_CHTML"></script>
diff --git a/layout/_partial/mobile-nav.ejs b/layout/_partial/mobile-nav.ejs
index e5c599f8e..c447fde9f 100644
--- a/layout/_partial/mobile-nav.ejs
+++ b/layout/_partial/mobile-nav.ejs
@@ -7,7 +7,7 @@
 	<div class="intrude-less">
 		<header id="header" class="inner">
 			<div class="profilepic">
-				<img src="<%=theme.avatar%>" class="js-avatar">
+				<a href="/"><img src="<%=theme.avatar%>" class="js-avatar"></a>
 			</div>
 			<hgroup>
 			  <h1 class="header-author js-header-author"><%=theme.author%></h1>