Separate style and relative_url on title a tag

_layouts/default.html

@@ -13,7 +13,7 @@
 
     <header>
       <div class="container">
-        <a href="/" style="text-decoration: none;">
+        <a id="a-title" href="{{ '/' | relative_url }}">
           <h1>{{ site.title | default: site.github.repository_name }}</h1>
         </a>
         <h2>{{ site.description | default: site.github.project_tagline }}</h2>

_sass/jekyll-theme-hacker.scss

@@ -251,3 +251,7 @@ a {
 .cf {
   zoom:1;
 }
+
+#a-title {
+  text-decoration: none;
+}