Styling nativescript template

Adding a sample layout in your app

main.component.ts

import {Component} from "@angular/core";

@Component({
    selector: "main",
    template: `
    <StackLayout>
      <TextField hint="some text"></TextField>
      <Button text="Click me" class="btn"></Button>
    </StackLayout>
    `,
    styleUrls: ["pages/main/main-common.css", "pages/main/main.css"]
})
export class MainComponent { }

Method 1 : Global CSS

app.css — Applies globally to all layouts.

StackLayout {
  margin: 10;
  background-color: white;
}
.btn, TextField {
  margin-left: 16;
  margin-right: 16;
}

Method 2 : Platform specific CSS

platform.android.css — Applies globally to all layouts in android device.

.btn{
    background-color: #191919;
    color: #fff;
}

platform.ios.css — Applies globally to all layouts in ios device.

.btn{
    background-color: #fff;
    color: #191919;
}

app.css

@import url("~/platform.css");

Method 3 : Component-specific CSS

pages/main/main.android.css — Applies to specific component in android device.

TextField {
  color: #e1e1e1;
  font-size: 12;
}

pages/main/main.ios.css — Applies to specific component in ios device.

TextField {
  color: #e3e3e3;
  font-size: 15;
}

pages/main/main-common.css — Applies to specific component in all devices.

TextField {
  padding: 4;
}