Merge pull request theme-next#509 from theme-next/dev

Refactored post navigation styles.

Author: ivan-nginx

source/css/_common/components/post/post-nav.styl

@@ -33,25 +33,19 @@
   }
 
   .fa {
-    position: absolute;
-    top: 8px;
-    left: 0;
     font-size: 12px;
+    margin-right: 5px;
   }
-
 }
 
 .post-nav-next {
-  a { padding-left: 15px; }
+  a { padding-left: 5px; }
 }
 
 .post-nav-prev {
   text-align: right;
 
-  a { padding-right: 15px; }
+  a { padding-right: 5px; }
 
-  .fa {
-    right: 0;
-    left: auto;
-  }
+  .fa { margin-left: 5px; }
 }