diff --git a/components/alert/style/index.less b/components/alert/style/index.less
index 3f50dc5ab6..e13fe3c5d0 100644
--- a/components/alert/style/index.less
+++ b/components/alert/style/index.less
@@ -18,9 +18,10 @@
   }
 
   &-icon {
-    top: 8px + @font-size-base * @line-height-base / 2 - @font-size-base / 2 + 1px;
+    top: 8px + @font-size-base * @line-height-base / 2 - @font-size-base / 2 - 0.5px;
     left: 16px;
     position: absolute;
+    font-size: @font-size-base + 2px;
   }
 
   &-description {
@@ -98,9 +99,9 @@
 
   &-with-description &-icon {
     position: absolute;
-    top: 16px;
+    top: 14px;
     left: 24px;
-    font-size: 24px;
+    font-size: 26px;
   }
 
   &-with-description &-close-icon {
diff --git a/components/modal/style/confirm.less b/components/modal/style/confirm.less
index bec6f8f0e7..986d9a1053 100644
--- a/components/modal/style/confirm.less
+++ b/components/modal/style/confirm.less
@@ -1,6 +1,7 @@
 @import "../../style/mixins/index";
 
 @confirm-prefix-cls: ~"@{ant-prefix}-confirm";
+@confirm-icon-size: 26px;
 
 .@{confirm-prefix-cls} {
   .@{ant-prefix}-modal-header {
@@ -24,7 +25,6 @@
       color: @heading-color;
       font-weight: 500;
       font-size: @font-size-lg;
-      line-height: 1.4;
       display: block;
       // create BFC to avoid
       // https://user-images.githubusercontent.com/507615/37702510-ba844e06-2d2d-11e8-9b67-8e19be57f445.png
@@ -32,14 +32,14 @@
     }
 
     .@{confirm-prefix-cls}-content {
-      margin-left: 38px;
+      margin-left: @confirm-icon-size + 16px;
       font-size: @font-size-base;
       color: @text-color;
       margin-top: 8px;
     }
 
     > .@{iconfont-css-prefix} {
-      font-size: 22px;
+      font-size: @confirm-icon-size;
       margin-right: 16px;
       float: left;
     }
diff --git a/components/notification/style/index.less b/components/notification/style/index.less
index 9166823193..435c6cce83 100644
--- a/components/notification/style/index.less
+++ b/components/notification/style/index.less
@@ -86,7 +86,7 @@
 
     &-icon {
       position: absolute;
-      font-size: 24px;
+      font-size: 26px;
       line-height: 24px;
       margin-left: 4px;
 
diff --git a/components/pagination/style/index.less b/components/pagination/style/index.less
index a53554d9f4..1f686379c6 100644
--- a/components/pagination/style/index.less
+++ b/components/pagination/style/index.less
@@ -175,14 +175,9 @@
       outline: none;
       display: block;
       transition: all .3s;
-
-      &:after {
-        font-size: 12px;
-        display: block;
-        height: @pagination-item-size - 2px;
-        text-align: center;
-        font-weight: 500;
-      }
+      font-size: 12px;
+      height: 100%;
+      text-align: center;
     }
 
     &:focus .@{pagination-prefix-cls}-item-link,
diff --git a/components/popover/style/index.less b/components/popover/style/index.less
index 9f86356c47..4328f958db 100644
--- a/components/popover/style/index.less
+++ b/components/popover/style/index.less
@@ -80,6 +80,7 @@
       color: @warning-color;
       line-height: @line-height-base + 0.1;
       position: absolute;
+      font-size: @font-size-base + 2px;
     }
     &-title {
       padding-left: @font-size-base + 8px;
diff --git a/components/rate/style/index.less b/components/rate/style/index.less
index 61c81c04e7..111bc6dd8a 100644
--- a/components/rate/style/index.less
+++ b/components/rate/style/index.less
@@ -40,6 +40,9 @@
       user-select: none;
       transition: all .3s;
       color: @rate-star-bg;
+      .@{iconfont-css-prefix} {
+        vertical-align: middle;
+      }
     }
 
     &:hover,
diff --git a/components/style/themes/default.less b/components/style/themes/default.less
index 2100ba5b46..bd9a1efa5f 100644
--- a/components/style/themes/default.less
+++ b/components/style/themes/default.less
@@ -449,7 +449,7 @@
 @breadcrumb-base-color:        @text-color-secondary;
 @breadcrumb-last-item-color:   @text-color;
 @breadcrumb-font-size:         @font-size-base;
-@breadcrumb-icon-font-size:    @font-size-sm;
+@breadcrumb-icon-font-size:    @font-size-base;
 @breadcrumb-link-color:        @text-color-secondary;
 @breadcrumb-link-color-hover:  @primary-5;
 @breadcrumb-separator-color:   @text-color-secondary;
diff --git a/components/switch/index.tsx b/components/switch/index.tsx
index fed1da7ad5..6796c53525 100755
--- a/components/switch/index.tsx
+++ b/components/switch/index.tsx
@@ -54,7 +54,7 @@ export default class Switch extends React.Component<SwitchProps, {}> {
     });
     const loadingIcon = loading ? (
       <Icon
-        type="loading-3-quarters"
+        type="loading"
         className={`${prefixCls}-loading-icon`}
       />
     ) : null;
diff --git a/components/tabs/style/index.less b/components/tabs/style/index.less
index 25b4b81394..eb6949a113 100644
--- a/components/tabs/style/index.less
+++ b/components/tabs/style/index.less
@@ -189,6 +189,7 @@
 
       .@{iconfont-css-prefix} {
         margin-right: 8px;
+        font-size: @font-size-base + 2px;
       }
     }