Set post link text-align property to initial (#39)

`display: inline-block` is needed for text-align to take effect.

Author: tildehacker

_sass/dash/_layout.scss

@@ -200,6 +200,8 @@
    & > .post-link {
      font-size: $base-font-size;
      font-size: $post-link-font-size;
+     display: inline-block;
+     text-align: initial;
    }
 
    & > .post-meta {