docs: update

components/components.less

@@ -36,7 +36,6 @@
 @import "./progress/style/entry.less";
 @import "./radio/style/entry.less";
 @import "./rate/style/entry.less";
-@import "./resizable/style/entry.less";
 @import "./select/style/entry.less";
 @import "./skeleton/style/entry.less";
 @import "./slider/style/entry.less";

docs/experimental.en-US.md

@@ -10,7 +10,7 @@ Developers and users can opt-in into these features before they are fully releas
 
 ### Using the experimental components
 
-Import the `NgModule` for the component you want to use, then just like normal components to use it.
+Import the `NgModule` and styles for the component you want to use, then just like normal components to use it.
 
 ```ts
   import { NzResizableModule } from 'ng-zorro-antd/resizable';
@@ -19,4 +19,8 @@ Import the `NgModule` for the component you want to use, then just like normal c
     imports: [ NzResizableModule ]
   })
   export class SomeModule {}
-```
+```
+
+```less
+@import "node_modules/ng-zorro-antd/resizable/style/entry.less"
+```

docs/experimental.zh-CN.md

@@ -10,7 +10,7 @@ NG-ZORRO 实验性功能是指已发布但不稳定或者还未准备好用于
 
 ### 使用实验性功能
 
-引入你想使用功能的 `NgModule`，然后像正常组件一样使用它。
+引入你想使用功能的 `NgModule` 和样式，然后像正常组件一样使用它。
 
 ```ts
   import { NzResizableModule } from 'ng-zorro-antd/resizable';
@@ -20,3 +20,7 @@ NG-ZORRO 实验性功能是指已发布但不稳定或者还未准备好用于
   })
   export class SomeModule {}
 ```
+
+```less
+@import "node_modules/ng-zorro-antd/resizable/style/entry.less"
+```

scripts/site/_site/doc/styles.less

@@ -1,4 +1,5 @@
 /* You can add global styles to this file, and also import other style files */
 @import "../../components/ng-zorro-antd.less";
+@import "../../components/resizable/style/entry.less";
 @import "style/index";
 @import "theme";