fix the annoying line

_includes/footer.html

@@ -1,5 +1,4 @@
 <footer class="site-footer">
-<hr/>
   <div class="wrapper">
     <h2 class="footer-heading">{{ site.title }}</h2>
 

_layouts/page.html

@@ -7,6 +7,7 @@ layout: default
     <h1 class="post-title">{{ page.title }}</h1>
   </header>
   <article class="post-content">{{ content }}</article>
+  <hr />
 </div>
 
 {% include ad.html %}

_sass/_layout.scss

@@ -26,6 +26,7 @@
 .site-nav {
   float: right;
   line-height: 56px;
+  border: 1px dashed;
 
   .menu-icon {
     display: none;