Customize icon and width in Angular DropDownButton component

import { Component } from '@angular/core';
import { ItemModel } from '@syncfusion/ej2-angular-splitbuttons';

@Component({
    selector: 'app-root',
    template: `<!-- To render DropDownButton. -->
               <button ejs-dropdownbutton [items]='items' content='Find & Select' iconCss='e-icons e-search' iconPosition='Top' cssClass='e-custom'></button>`
})

export class AppComponent {
   // Initialize action items.
   public items: ItemModel[] = [
    {
        text: 'Find'
    },
    {
        text: 'Replace'
    },
    {
        text: 'Go To'
    },
    {
        text: 'Go To Special'
    }];
}

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { DropDownButtonModule } from '@syncfusion/ej2-angular-splitbuttons';
import { AppComponent } from './app.component';
import { enableRipple } from '@syncfusion/ej2-base';

enableRipple(true);

/**
 * Module
 */
@NgModule({
    imports: [
        BrowserModule,
        DropDownButtonModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { enableProdMode } from '@angular/core';
import { AppModule } from './app.module';

enableProdMode();
platformBrowserDynamic().bootstrapModule(AppModule);

#loader {
  color: #008cff;
  height: 40px;
  width: 30%;
  position: absolute;
  font-family:  'Helvetica Neue','calibiri';
  font-size:16px;
  top: 45%;
  left: 45%;
}

.e-search::before {
  content: '\e993';
}

button {
  margin: 25px 5px 20px 20px;
}

.e-dropdown-btn.e-custom {
  width: 85px;
}

.e-dropdown-btn.e-custom .e-search::before {
  font-size: 40px;
}