💄 Support more of analytics engine such as baidu, google, busuanzi and so on, then add new web information widget. close #19

assets/css/_common/outline/footer/index.scss

@@ -97,16 +97,3 @@
     vertical-align: middle;
   }
 }
-
-.busuanzi-count {
-  @if $busuanzi_visitors {
-    #busuanzi_container_site_uv {
-      display: none;
-    }
-  }
-  @if $busuanzi_views {
-    #busuanzi_container_site_pv {
-      display: none;
-    }
-  }
-}

assets/css/_common/outline/sidebar/index.scss

@@ -1,4 +1,4 @@
-.sidebar-inner {
+.sidebar-inner, .sidebar-card-widget {
   color: $grey-dark;
   // Init Sidebar & TOC inner dimensions on all pages and for all schemes.
   $offset : if(($scheme == 'Pisces') or ($scheme == 'Gemini'), $sidebar-offset, $sidebar-padding);
@@ -39,3 +39,4 @@
 @import 'sidebar-toggle';
 @import 'sidebar-toc';
 @import 'site-state';
+@import 'sidebar-card-widget';

assets/css/_common/outline/sidebar/sidebar-card-widget.scss

@@ -0,0 +1,58 @@
+.sidebar-card-widget {
+  background: var(--content-bg-color);
+  border-radius: $border-radius;
+  box-shadow: $box-shadow;
+  box-sizing: border-box;
+  color: var(--text-color);
+  margin-top: $sidebar-offset;
+
+  .item-headline {
+    text-align: left;
+    font-size: $font-size-small;
+    font-weight: bold;
+
+    span {
+      margin-left: 8px;
+    }
+  }
+
+  .webinfo {
+    font-size: $font-size-small;
+    text-align: left;
+
+    .webinfo-item {
+      display: flex;
+      -webkit-box-align: center;
+      align-items: center;
+      padding: 2px 10px 0;
+
+      i {
+        width: 16px;
+        height: 16px;
+        text-align: center;
+        margin-right: 4px;
+      }
+
+
+      div:first-child {
+        -webkit-box-flex: 1;
+        -moz-box-flex: 1;
+        -o-box-flex: 1;
+        box-flex: 1;
+        -webkit-flex: 1;
+        -ms-flex: 1;
+        flex: 1;
+        padding-right: 20px;
+      }
+    }
+  }
+}
+
+.back-to-top-card {
+  margin: 0;
+  padding: 0;
+
+  div:first-child {
+    margin: 0;
+  }
+}