diff --git a/source/css/_common/components/post/post-collapse.styl b/source/css/_common/components/post/post-collapse.styl
index 7f5ebc1..a4b5719 100644
--- a/source/css/_common/components/post/post-collapse.styl
+++ b/source/css/_common/components/post/post-collapse.styl
@@ -90,7 +90,7 @@
       color: var(--link-color);
     }
 
-    .fa-external-link-alt {
+    .fa {
       font-size: $font-size-small;
       margin-left: 5px;
     }
diff --git a/source/css/_common/components/post/post-header.styl b/source/css/_common/components/post/post-header.styl
index ba04ce4..f9f6e43 100644
--- a/source/css/_common/components/post/post-header.styl
+++ b/source/css/_common/components/post/post-header.styl
@@ -53,7 +53,7 @@
     transform: scaleX(1);
   }
 
-  .fa-external-link-alt {
+  .fa {
     font-size: $font-size-small;
     margin-left: 5px;
   }
diff --git a/source/css/_common/outline/header/menu.styl b/source/css/_common/outline/header/menu.styl
index 40ba2a6..377f1e1 100644
--- a/source/css/_common/outline/header/menu.styl
+++ b/source/css/_common/outline/header/menu.styl
@@ -31,7 +31,7 @@
     }
   }
 
-  .fa, .fab, .far, .fas {
+  i[class^='fa'] {
     margin-right: 8px;
   }
 
diff --git a/source/css/_common/outline/sidebar/sidebar-author-links.styl b/source/css/_common/outline/sidebar/sidebar-author-links.styl
index 7921467..cd3766c 100644
--- a/source/css/_common/outline/sidebar/sidebar-author-links.styl
+++ b/source/css/_common/outline/sidebar/sidebar-author-links.styl
@@ -4,7 +4,7 @@
   }
 
   if (not hexo-config('social_icons.icons_only')) {
-    .fa, .fab, .far, .fas {
+    i[class^='fa'] {
       margin-right: 2px;
     }
   }
diff --git a/source/css/_common/outline/sidebar/sidebar-button.styl b/source/css/_common/outline/sidebar/sidebar-button.styl
index 9f6d90e..850faa9 100644
--- a/source/css/_common/outline/sidebar/sidebar-button.styl
+++ b/source/css/_common/outline/sidebar/sidebar-button.styl
@@ -8,7 +8,7 @@
     border: 1px solid $orange;
     border-radius: 4px;
 
-    .fa, .fab, .far, .fas {
+    i[class^='fa'] {
       margin-right: 5px;
     }
   }
diff --git a/source/css/_common/scaffolding/tags/tabs.styl b/source/css/_common/scaffolding/tags/tabs.styl
index 3080905..f395c24 100644
--- a/source/css/_common/scaffolding/tags/tabs.styl
+++ b/source/css/_common/scaffolding/tags/tabs.styl
@@ -53,7 +53,7 @@
         padding: .25em .75em;
         text-align: center;
 
-        i {
+        i[class^='fa'] {
           width: (18em / 14);
         }
 
diff --git a/source/css/_schemes/Muse/_menu.styl b/source/css/_schemes/Muse/_menu.styl
index f863d0a..d583618 100644
--- a/source/css/_schemes/Muse/_menu.styl
+++ b/source/css/_schemes/Muse/_menu.styl
@@ -39,7 +39,7 @@
     }
   }
 
-  .fa, .fab, .far, .fas {
+  i[class^='fa'] {
     +tablet-desktop() {
       display: block;
       line-height: 2;