diff --git a/components/badge/style/index.less b/components/badge/style/index.less
index 698aa3d9065..36deed8298b 100644
--- a/components/badge/style/index.less
+++ b/components/badge/style/index.less
@@ -190,7 +190,7 @@
     display: inline-block;
     height: @badge-height;
     transition: all 0.3s @ease-in-out;
-    > p {
+    > p.@{number-prefix-cls}-only-unit {
       height: @badge-height;
       margin: 0;
     }
diff --git a/components/card/style/index.less b/components/card/style/index.less
index 53683775700..444ba7ba23c 100644
--- a/components/card/style/index.less
+++ b/components/card/style/index.less
@@ -166,7 +166,7 @@
         position: relative;
         display: block;
         min-width: 32px;
-        font-size: 14px;
+        font-size: @font-size-base;
         line-height: 22px;
         cursor: pointer;
 
diff --git a/components/cascader/style/index.less b/components/cascader/style/index.less
index b99938e9f22..5d54d9ebe76 100644
--- a/components/cascader/style/index.less
+++ b/components/cascader/style/index.less
@@ -59,6 +59,11 @@
       .active;
     }
 
+    &-borderless .@{cascader-prefix-cls}-input {
+      border-color: transparent !important;
+      box-shadow: none !important;
+    }
+
     &-show-search&-focused {
       color: @disabled-color;
     }
diff --git a/components/collapse/style/index.less b/components/collapse/style/index.less
index d96f6138259..4354572e50b 100644
--- a/components/collapse/style/index.less
+++ b/components/collapse/style/index.less
@@ -33,6 +33,7 @@
       line-height: 22px;
       cursor: pointer;
       transition: all 0.3s;
+      .clearfix;
 
       .@{collapse-prefix-cls}-rtl & {
         padding: @collapse-header-padding;
diff --git a/components/date-picker/style/index.less b/components/date-picker/style/index.less
index 2537b7d06e8..fee73bfafb6 100644
--- a/components/date-picker/style/index.less
+++ b/components/date-picker/style/index.less
@@ -51,6 +51,12 @@
     border-color: @select-border-color;
   }
 
+  &&-borderless {
+    background-color: transparent !important;
+    border-color: transparent !important;
+    box-shadow: none !important;
+  }
+
   // ======================== Input =========================
   &-input {
     position: relative;
diff --git a/components/form/style/index.less b/components/form/style/index.less
index 0a182f0d00d..b8f0279e106 100644
--- a/components/form/style/index.less
+++ b/components/form/style/index.less
@@ -62,9 +62,10 @@
       height: 100%;
       max-height: @input-height-base;
       color: @label-color;
+      font-size: @form-item-label-font-size;
 
       > .@{iconfont-css-prefix} {
-        font-size: @font-size-base;
+        font-size: @form-item-label-font-size;
         vertical-align: top;
       }
 
@@ -72,7 +73,7 @@
         display: inline-block;
         margin-right: 4px;
         color: @label-required-color;
-        font-size: @font-size-base;
+        font-size: @form-item-label-font-size;
         font-family: SimSun, sans-serif;
         line-height: 1;
         content: '*';
diff --git a/components/form/style/mixin.less b/components/form/style/mixin.less
index ef6de5c815d..1f3b3b299eb 100644
--- a/components/form/style/mixin.less
+++ b/components/form/style/mixin.less
@@ -6,14 +6,16 @@
     color: @text-color;
   }
   // 输入框的不同校验状态
-  .@{ant-prefix}-input {
+  .@{ant-prefix}-input,
+  .@{ant-prefix}-input-affix-wrapper {
     &,
     &:hover {
       background-color: @background-color;
       border-color: @border-color;
     }
 
-    &:focus {
+    &:focus,
+    &-focused {
       .active(@border-color);
     }
 
@@ -22,27 +24,14 @@
     }
   }
 
-  .@{ant-prefix}-calendar-picker-open .@{ant-prefix}-calendar-picker-input {
-    .active(@border-color);
-  }
-
-  // Input prefix
   .@{ant-prefix}-input-affix-wrapper {
-    .@{ant-prefix}-input {
-      &,
-      &:hover {
-        background-color: @background-color;
-        border-color: @border-color;
-      }
-
-      &:focus {
-        .active(@border-color);
-      }
+    input:focus {
+      box-shadow: none !important;
     }
+  }
 
-    &:hover .@{ant-prefix}-input:not(.@{ant-prefix}-input-disabled) {
-      border-color: @border-color;
-    }
+  .@{ant-prefix}-calendar-picker-open .@{ant-prefix}-calendar-picker-input {
+    .active(@border-color);
   }
 
   .@{ant-prefix}-input-prefix {
diff --git a/components/input/style/mixin.less b/components/input/style/mixin.less
index 4b6fa2c8b44..f968b6d0095 100644
--- a/components/input/style/mixin.less
+++ b/components/input/style/mixin.less
@@ -306,9 +306,7 @@
   }
 
   .@{inputClass}-affix-wrapper {
-    display: table-cell;
-    float: left;
-    width: 100%;
+    border-radius: 0;
   }
 
   &&-compact {
diff --git a/components/notification/style/index.less b/components/notification/style/index.less
index b8933732410..06c9cc3556a 100644
--- a/components/notification/style/index.less
+++ b/components/notification/style/index.less
@@ -33,15 +33,24 @@
     cursor: pointer;
   }
 
+  &-hook-holder,
   &-notice {
     position: relative;
     margin-bottom: @notification-margin-bottom;
-    padding: @notification-padding;
     overflow: hidden;
-    line-height: 1.5;
     background: @notification-bg;
     border-radius: @border-radius-base;
     box-shadow: @shadow-2;
+  }
+
+  &-hook-holder > &-notice {
+    margin-bottom: 0;
+    box-shadow: none;
+  }
+
+  &-notice {
+    padding: @notification-padding;
+    line-height: @line-height-base;
 
     &-message {
       display: inline-block;
diff --git a/components/page-header/style/index.less b/components/page-header/style/index.less
index f6cbb1791c9..70029a7376a 100644
--- a/components/page-header/style/index.less
+++ b/components/page-header/style/index.less
@@ -151,7 +151,7 @@
         }
 
         .@{ant-prefix}-tabs-tab {
-          padding: 8px;
+          padding: @tabs-horizontal-padding-sm;
           font-size: 16px;
         }
       }
diff --git a/components/radio/style/index.less b/components/radio/style/index.less
index b966eeb026d..152cea85087 100644
--- a/components/radio/style/index.less
+++ b/components/radio/style/index.less
@@ -16,6 +16,14 @@
   &-rtl {
     direction: rtl;
   }
+
+  .@{ant-prefix}-badge-count {
+    z-index: 1;
+  }
+
+  > .@{ant-prefix}-badge:not(:first-child) > .@{radio-prefix-cls}-button-wrapper {
+    border-left: none;
+  }
 }
 
 // 一般状态
@@ -209,6 +217,7 @@ span.@{radio-prefix-cls} + * {
       content: '';
     }
   }
+
   &:first-child {
     border-left: @border-width-base @border-style-base @border-color-base;
     border-radius: @border-radius-base 0 0 @border-radius-base;
diff --git a/components/select/style/index.less b/components/select/style/index.less
index 0c158c82f0e..cab2a240608 100644
--- a/components/select/style/index.less
+++ b/components/select/style/index.less
@@ -272,4 +272,11 @@
   &-lg {
     font-size: @font-size-lg;
   }
+
+  // no border style
+  &-borderless &-selector {
+    background-color: transparent !important;
+    border-color: transparent !important;
+    box-shadow: none !important;
+  }
 }
diff --git a/components/select/style/multiple.less b/components/select/style/multiple.less
index 7a489b386c8..78ee05255b2 100644
--- a/components/select/style/multiple.less
+++ b/components/select/style/multiple.less
@@ -1,10 +1,11 @@
 @import './index';
 
-@select-selection-height: @input-height-base - @input-padding-vertical-base * 2;
-@select-multiple-padding: @input-padding-vertical-base;
-@select-multiple-item-margin-vertical: round(
-    (@select-selection-height - @font-size-base * @line-height-base) / 2 * 10
-  ) / 10;
+@select-multiple-item-border-width: 1px;
+@select-multiple-item-height: @input-height-base - @input-padding-vertical-base * 2; // Normal 24px
+
+@select-multiple-item-spacing-half: ceil(@input-padding-vertical-base / 2);
+@select-multiple-padding: @input-padding-vertical-base - @select-multiple-item-border-width -
+  @select-multiple-item-spacing-half;
 
 /**
  * Do not merge `height` & `line-height` under style with `selection` & `search`,
@@ -21,11 +22,19 @@
     flex-wrap: wrap;
     align-items: center;
     // Multiple is little different that horizontal is follow the vertical
-    padding: @select-multiple-padding @select-multiple-padding;
+    padding: @select-multiple-padding @input-padding-vertical-base;
 
     .@{select-prefix-cls}-show-search& {
       cursor: text;
     }
+
+    &::after {
+      display: inline-block;
+      width: 0;
+      margin: @select-multiple-item-spacing-half 0;
+      line-height: @select-multiple-item-height;
+      content: '\a0';
+    }
   }
 
   &.@{select-prefix-cls}-allow-clear .@{select-prefix-cls}-selector {
@@ -40,12 +49,12 @@
     box-sizing: border-box;
     max-width: 100%;
 
-    height: @select-selection-height;
-    margin-top: -@select-multiple-item-margin-vertical;
+    height: @select-multiple-item-height;
+    margin-top: @select-multiple-item-spacing-half;
     margin-right: @input-padding-vertical-base;
-    margin-bottom: -@select-multiple-item-margin-vertical;
+    margin-bottom: @select-multiple-item-spacing-half;
     padding: 0 (@padding-xs / 2) 0 @padding-xs;
-    line-height: @select-selection-height - @border-width-base * 2;
+    line-height: @select-multiple-item-height - @select-multiple-item-border-width * 2;
     background: @select-selection-item-bg;
     border: 1px solid @select-selection-item-border-color;
     border-radius: @border-radius-base;
@@ -150,6 +159,10 @@
       @select-selection-height: @input-height - @input-padding-vertical-base * 2;
       @select-height-without-border: @input-height - @border-width-base * 2;
 
+      .@{select-prefix-cls}-selector::after {
+        line-height: @select-selection-height;
+      }
+
       .@{select-prefix-cls}-selection-item {
         height: @select-selection-height;
         line-height: @select-selection-height - @border-width-base * 2;
diff --git a/components/slider/style/index.less b/components/slider/style/index.less
index fd696812a8b..75dbe169dc5 100644
--- a/components/slider/style/index.less
+++ b/components/slider/style/index.less
@@ -53,12 +53,15 @@
     transition: border-color 0.3s, box-shadow 0.6s,
       transform 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
 
-    &:focus {
+    &-dragging&-dragging&-dragging {
       border-color: @slider-handle-color-focus;
-      outline: none;
       box-shadow: 0 0 0 5px @slider-handle-color-focus-shadow;
     }
 
+    &:focus {
+      outline: none;
+    }
+
     &.@{ant-prefix}-tooltip-open {
       border-color: @slider-handle-color-tooltip-open;
     }
diff --git a/components/steps/style/label-placement.less b/components/steps/style/label-placement.less
index 9d816e586e8..f8cbb6fd62a 100644
--- a/components/steps/style/label-placement.less
+++ b/components/steps/style/label-placement.less
@@ -31,7 +31,7 @@
   &.@{steps-prefix-cls}-small:not(.@{steps-prefix-cls}-dot) {
     .@{steps-prefix-cls}-item {
       &-icon {
-        margin-left: 40px;
+        margin-left: 47px;
       }
     }
   }
diff --git a/components/style/mixins/clearfix.less b/components/style/mixins/clearfix.less
index 7999a3e92fa..d61f6c7b662 100644
--- a/components/style/mixins/clearfix.less
+++ b/components/style/mixins/clearfix.less
@@ -1,13 +1,9 @@
 // mixins for clearfix
 // ------------------------
 .clearfix() {
-  zoom: 1;
-  &::before,
-  &::after {
-    display: table;
-    content: '';
-  }
   &::after {
+    display: block;
     clear: both;
+    content: '';
   }
 }
diff --git a/components/style/themes/default.less b/components/style/themes/default.less
index 671ae1494f6..84c258f5376 100644
--- a/components/style/themes/default.less
+++ b/components/style/themes/default.less
@@ -328,6 +328,7 @@
 @form-item-trailing-colon: true;
 @form-vertical-label-padding: 0 0 8px;
 @form-vertical-label-margin: 0;
+@form-item-label-font-size: @font-size-base;
 @form-item-label-colon-margin-right: 8px;
 @form-item-label-colon-margin-left: 2px;
 @form-error-input-bg: @input-bg;
@@ -603,9 +604,9 @@
 @tabs-bar-margin: 0 0 16px 0;
 @tabs-horizontal-margin: 0 32px 0 0;
 @tabs-horizontal-margin-rtl: 0 0 0 32px;
-@tabs-horizontal-padding: 12px 16px;
-@tabs-horizontal-padding-lg: 16px;
-@tabs-horizontal-padding-sm: 8px 16px;
+@tabs-horizontal-padding: 12px 0;
+@tabs-horizontal-padding-lg: 16px 0;
+@tabs-horizontal-padding-sm: 8px 0;
 @tabs-vertical-padding: 8px 24px;
 @tabs-vertical-margin: 0 0 16px 0;
 @tabs-scrolling-size: 32px;
diff --git a/components/timeline/style/index.less b/components/timeline/style/index.less
index 5d143add407..808095403ac 100644
--- a/components/timeline/style/index.less
+++ b/components/timeline/style/index.less
@@ -168,8 +168,7 @@
           text-align: right;
 
           .@{timeline-prefix-cls}-rtl& {
-            width: 100%;
-            margin-right: 12px;
+            text-align: left;
           }
         }
       }
@@ -195,6 +194,7 @@
         .@{timeline-prefix-cls}-rtl& {
           width: 100%;
           margin-right: 18px;
+          text-align: right;
         }
       }
     }
diff --git a/components/transfer/style/index.less b/components/transfer/style/index.less
index cb2d3b05fa8..958c8d7793d 100644
--- a/components/transfer/style/index.less
+++ b/components/transfer/style/index.less
@@ -39,7 +39,8 @@
     }
 
     &-search {
-      padding: 0 24px 0 @control-padding-horizontal-sm;
+      padding-right: 24px;
+      padding-left: @control-padding-horizontal-sm;
       &-action {
         position: absolute;
         top: 12px;