Angular-split with horizontal scroll

<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <title>angular2 playground</title>
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>

/* Styles go here */

### Angular Starter Plunker - Typescript

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    
    '@angular/core': 'npm:@angular/core@2.4.1/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common@2.4.1/bundles/common.umd.js',
    '@angular/compiler': 'npm:@angular/compiler@2.4.1/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser@2.4.1/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic@2.4.1/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http@2.4.1/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router@3.4.1/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms@2.4.1/bundles/forms.umd.js',
    
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.0.2/lib/typescript.js',
    'angular-split': 'npm:angular-split@0.1.20/dist/index.js'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    },
    'angular-split': {
      defaultExtension: 'js'
    }
  }
});

//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app';

platformBrowserDynamic().bootstrapModule(AppModule)

//our root app component
import {Component, NgModule} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'
import { AngularSplitModule } from 'angular-split'

@Component({
  selector: 'my-app',
  styles: [`
    :host {
      display: block;
      width: 800px;
      height: 400px;
      background: grey;
    }
    
    split-area > div {
      position: relative;
      background: red;
      height: 100%;
      overflow: auto;
    }
  `],
  template: `
      <split direction="horizontal">
          <split-area [size]="30">
              <p>Lorem ipsum dolor sit amet...</p>
          </split-area>
          <split-area [size]="70">
              <div>
                <img src="https://ichef.bbci.co.uk/news/660/cpsprodpb/0CB0/production/_89284230_planepa.jpg"/>
              </div>
          </split-area>
      </split>`,
})
export class App {}


@NgModule({
  imports: [ BrowserModule, AngularSplitModule ],
  declarations: [ App ],
  bootstrap: [ App ]
})
export class AppModule {}