NewPipe/app/src/main/res/drawable/ic_play_arrow_shadow.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:autoMirrored="true"
    android:viewportWidth="80"
    android:viewportHeight="80">
    <path
        android:fillColor="#00000000"
        android:fillType="evenOdd"
        android:pathData="M12.0447,6.5087 L12.0447,72.7367 69.3276,38.8486Z"
        android:strokeWidth="7"
        android:strokeAlpha="0.25"
        android:strokeColor="#000000"
        android:strokeLineCap="butt"
        android:strokeLineJoin="miter" />
    <path
        android:fillColor="#00000000"
        android:fillType="evenOdd"
        android:pathData="M12.0447,6.5087 L12.0447,72.7367 69.3276,38.8486Z"
        android:strokeWidth="5"
        android:strokeAlpha="0.73333333"
        android:strokeColor="#ffffff"
        android:strokeLineCap="butt"
        android:strokeLineJoin="miter" />
</vector>