Change the order of post meta & improve timeago

_sass/addon/commons.scss

@@ -521,6 +521,10 @@ footer {
 
 /* --- Effects classes --- */
 
+.semi-bold {
+  font-weight: 600 !important;
+}
+
 .loaded {
   display: block !important;
 

_sass/layout/post.scss

@@ -23,6 +23,10 @@
   padding-right: $pr;
 }
 
+.timeago::before {
+  content: attr(prefix);
+}
+
 #post-wrapper .post-meta {
   > div:nth-child(2) {
     > span:not(:first-child)::before {