Fix border-color less variable

style/components/breadcrumb.less

@@ -19,7 +19,7 @@
 
   &-separator {
     margin: 0 8px;
-    color: #d9d9d9;
+    color: @border-color-base;
   }
 
   .anticon + span {

style/components/checkbox.less

@@ -46,7 +46,7 @@
     border-width: 1px;
     border-style: solid;
     border-radius: 3px;
-    border-color: #d9d9d9;
+    border-color: @border-color-base;
     background-color: #fff;
     transition: border-color 0.1s @ease-in-out-back, background-color 0.1s @ease-in-out-back;
   }
@@ -122,13 +122,13 @@
 
     &:hover {
       .@{checkbox-inner-prefix-cls} {
-        border-color: #d9d9d9;
+        border-color: @border-color-base;
       }
     }
 
     .@{checkbox-inner-prefix-cls} {
       background-color: #f3f3f3;
-      border-color: #d9d9d9;
+      border-color: @border-color-base;
 
       &:after {
         animation-name: none;
@@ -139,12 +139,12 @@
 
   &:hover {
     .@{checkbox-inner-prefix-cls} {
-      border-color: #d9d9d9;
+      border-color: @border-color-base;
     }
   }
 
   .@{checkbox-inner-prefix-cls} {
-    border-color: #d9d9d9;
+    border-color: @border-color-base;
     background-color: #f3f3f3;
     &:after {
       animation-name: none;

style/components/form.less

@@ -176,7 +176,7 @@ form {
     border-bottom-left-radius: 0;
     border-top-left-radius: 0;
     &:hover {
-      border-color: #d9d9d9;
+      border-color: @border-color-base;
     }
   }
 
@@ -192,7 +192,7 @@ form {
   }
 
   .@{select-prefix-cls}-open .@{select-prefix-cls}-selection {
-    border-color: #d9d9d9;
+    border-color: @border-color-base;
     box-shadow: none;
   }
 }

style/components/menu.less

@@ -64,9 +64,9 @@
 
   &-inline,
   &-vertical {
-    border-right: 1px solid #e9e9e9;
+    border-right: 1px solid @border-color-split;
     .@{menu-prefix-cls}-item {
-      border-right: 1px solid #e9e9e9;
+      border-right: 1px solid @border-color-split;
       margin-left: -1px;
       left: 1px;
       position: relative;
@@ -176,7 +176,7 @@
 
   &-horizontal {
     border: 0;
-    border-bottom: 1px solid #e9e9e9;
+    border-bottom: 1px solid @border-color-split;
     box-shadow: none;
     z-index: 0;
 

style/components/popover.less

@@ -14,7 +14,7 @@
 //** Popover maximum width
 @popover-min-width:                   177px;
 //** Popover border color
-@popover-border-color:                #d9d9d9;
+@popover-border-color:                @border-color-base;
 
 //** Popover arrow width
 @popover-arrow-width:                 4px;
@@ -89,7 +89,7 @@
     padding: 0 16px;
     line-height: 32px;
     height: 32px;
-    border-bottom: 1px solid #e9e9e9;
+    border-bottom: 1px solid @border-color-split;
     color: #666;
   }
 

style/components/radio.less

@@ -142,23 +142,9 @@ span.@{radio-prefix-cls} + * {
       }
     }
 
-    &:before {
-      transition: all 0.3s ease;
-      position: absolute;
-      width: 1px;
-      height: 100%;
-      left: -1px;
-      background: #d9d9d9;
-      content: '';
-      visibility: hidden;
-    }
-
     &:first-child {
       border-radius: @border-radius-base 0 0 @border-radius-base;
       border-left: 1px solid @border-color-base;
-      &:before {
-        display: none;
-      }
     }
 
     &:last-child {
@@ -187,10 +173,6 @@ span.@{radio-prefix-cls} + * {
       color: @primary-color;
       box-shadow: -1px 0 0 0 @primary-color;
 
-      &:before {
-        display: none;
-      }
-
       &:first-child {
         border-color: @primary-color;
         box-shadow: none!important;
@@ -220,9 +202,6 @@ span.@{radio-prefix-cls} + * {
         border-color: @border-color-base;
         background-color: #f4f4f4;
         color: #ccc;
-        &:before {
-          display: none;
-        }
       }
       &:first-child {
         border-left-color: @border-color-base;

style/components/steps.less

@@ -5,7 +5,7 @@
 @process-icon-color: @primary-color;
 @process-title-color: #666;
 @process-description-color: @process-title-color;
-@process-tail-color: #e9e9e9;
+@process-tail-color: @border-color-split;
 @wait-icon-color: #ccc;
 @wait-title-color: #999;
 @wait-description-color: @wait-title-color;
@@ -180,7 +180,7 @@
         content: '';
         top: 0;
         width: 0;
-        background: #e9e9e9;
+        background: @border-color-split;
         height: 100%;
         opacity: 0;
       }

style/components/timeline.less

@@ -2,7 +2,7 @@
 
 @timeline-prefix-cls: ~"@{css-prefix}timeline";
 
-@timeline-color: #e9e9e9;
+@timeline-color: @border-color-split;
 
 .@{timeline-prefix-cls} {
   &-item {

style/components/upload.less

@@ -86,7 +86,7 @@
     .anticon-plus {
       font-size: 30px;
       transition: all 0.3s ease;
-      color: #d9d9d9;
+      color: #ccc;
       &:hover {
         color: #999;
       }