Styling ionic 2 toast

Answer 1

Change toast background color and opacity:

let toast = this.toastCtrl.create({
      message: msg,
      duration: 3000,
      position: 'bottom',
      cssClass: 'changeToast'
    });

and add app.scss:

.changeToast{.toast-wrapper {opacity: 0.6; border-radius: 5px !important; text-align: center; background: color($colors, primary);}};

It's used with .toast-message