chore: update linkedin sharing url (#2307)

_data/share.yml

@@ -18,7 +18,7 @@ platforms:
   #
   # - type: Linkedin
   #   icon: "fab fa-linkedin"
-  #   link: "https://www.linkedin.com/sharing/share-offsite/?url=URL"
+  #   link: "https://www.linkedin.com/feed/?shareActive=true&shareUrl=URL"
   #
   # - type: Weibo
   #   icon: "fab fa-weibo"

_sass/abstracts/_placeholders.scss

@@ -31,7 +31,10 @@
 }
 
 %tag-hover {
+  @extend %link-color;
+
   background: var(--tag-hover);
+  border-color: var(--tag-hover);
   transition: background 0.35s ease-in-out;
 }
 

_sass/pages/_post.scss

@@ -143,9 +143,7 @@ header {
 
   .post-tag {
     &:hover {
-      @extend %link-hover;
       @extend %tag-hover;
-      @extend %no-bottom-border;
     }
   }
 }