Merge pull request #471 from weilining/dev

feat: Post edit Easily browse and edit blog source code online

source/css/_layout/head.styl

@@ -84,6 +84,9 @@
     +maxWidth768()
       top: 7rem
 
+    .post-edit-link
+      padding-left: 0.3rem
+      
   // post
   &.post-bg
     height: 20rem
@@ -141,6 +144,9 @@
 
     +maxWidth768()
       font-size: 1.72em
+    
+    .post-edit-link
+      padding-left: 0.3rem
 
   #post-meta
     color: var(--light-grey)
@@ -193,6 +199,9 @@
       border-bottom: 1px solid var(--light-grey)
       color: var(--text-highlight-color)
 
+      .post-edit-link
+        float: right
+        
     #post-meta,
     #post-meta a
       color: #78818a