New mixin round-icon

source/css/_common/components/post/post-collapse.styl

@@ -14,14 +14,11 @@
     &::before {
       background: $grey-dark;
       border: 1px solid white;
-      border-radius: 50%;
-      content: ' ';
-      height: 10px;
       margin-left: -6px;
       margin-top: -4px;
       position: absolute;
       top: 50%;
-      width: 10px;
+      round-icon(10px);
     }
   }
 
@@ -33,14 +30,11 @@
 
     &::before {
       background: $grey;
-      border-radius: 50%;
-      content: ' ';
-      height: 8px;
       margin-left: -4px;
       margin-top: -4px;
       position: absolute;
       top: 50%;
-      width: 8px;
+      round-icon(8px);
     }
   }
 
@@ -64,14 +58,11 @@
     &::before {
       background: $grey;
       border: 1px solid white;
-      border-radius: 50%;
-      content: ' ';
-      height: 6px;
       left: -4px;
       position: absolute;
       top: $font-size-smallest;
       transition: background $transition-ease;
-      width: 6px;
+      round-icon(6px);
     }
 
     &:hover {

source/css/_common/outline/sidebar/sidebar-author-links.styl

@@ -1,27 +1,11 @@
 .links-of-author {
-  margin-top: 15px;
-
   a, span.exturl {
-    border-bottom-color: $black-light;
-    display: inline-block;
     font-size: $font-size-smaller;
-    margin-bottom: 10px;
+  }
-    margin-right: 10px;
-    vertical-align: middle;
 
-    if (hexo-config('social_icons.transition')) {
+  if (!hexo-config('social_icons.icons_only')) {
-      transition: all $transition-ease;
+    .fa, .fab, .far, .fas {
-    }
+      margin-right: 2px;
-
-    &::before {
-      background: rgb(random-color(0, 255) - 50%, random-color(0, 255) - 50%, random-color(0, 255) - 50%);
-      border-radius: 50%;
-      content: ' ';
-      display: inline-block;
-      height: 4px;
-      margin-right: 3px;
-      vertical-align: middle;
-      width: 4px;
     }
   }
 }

source/css/_common/scaffolding/buttons.styl

@@ -7,7 +7,6 @@
   font-size: $font-size-small;
   line-height: 2;
   padding: 0 20px;
-  text-decoration: none;
   transition: background-color $transition-ease;
 
   &:hover {

source/css/_common/scaffolding/highlight/copy-code.styl

@@ -45,14 +45,11 @@ if (hexo-config('codeblock.copy_button.style') == 'mac') {
 
     &::before {
       background: #fc625d;
-      border-radius: 50%;
       box-shadow: 20px 0 #fdbc40, 40px 0 #35cd4b;
-      content: ' ';
-      height: 12px;
       left: 12px;
       margin-top: -20px;
       position: absolute;
-      width: 12px;
+      round-icon(12px);
     }
   }
 }

source/css/_mixins.styl

@@ -73,8 +73,6 @@ sidebar-inline-links-item() {
   a, span.exturl {
     box-sizing: border-box;
     display: inline-block;
-    margin-bottom: 0;
-    margin-right: 0;
     max-width: 216px;
     overflow: hidden;
     padding: 0 5px;
@@ -144,3 +142,10 @@ sidebar-toggle() {
     opacity: $b2t-opacity-hover;
   }
 }
+
+round-icon($diameter) {
+  border-radius: 50%;
+  content: ' ';
+  height: $diameter;
+  width: $diameter;
+}

source/css/_schemes/Muse/_sidebar.styl

@@ -51,6 +51,30 @@ if (hexo-config('sidebar.position') == 'right') {
   }
 }
 
+.links-of-author {
+  margin-top: 15px;
+
+  a, span.exturl {
+    border-bottom-color: $black-light;
+    display: inline-block;
+    margin-bottom: 10px;
+    margin-right: 10px;
+    vertical-align: middle;
+
+    if (hexo-config('social_icons.transition')) {
+      transition: all $transition-ease;
+    }
+
+    &::before {
+      background: rgb(random-color(0, 255) - 50%, random-color(0, 255) - 50%, random-color(0, 255) - 50%);
+      display: inline-block;
+      margin-right: 3px;
+      transform: translateY(-2px);
+      round-icon(4px);
+    }
+  }
+}
+
 .links-of-blogroll-item {
   if (hexo-config('links_settings.layout') == 'inline') {
     display: inline-block;

source/css/_schemes/Pisces/_sidebar.styl

@@ -72,21 +72,12 @@
   a, span.exturl {
     border-bottom: none;
     display: block;
-    text-decoration: none;
-
-    &::before {
-      display: none;
-    }
 
     &:hover {
       background: var(--body-bg-color);
       border-radius: 4px;
     }
   }
-
-  .fa, .fab, .far, .fas {
-    margin-right: 2px;
-  }
 }
 
 .links-of-blogroll-item {