how can i change the font size and padding in settings (preference screen) Android

Question

I have a settings page (preference screen) i want to change the font size and the padding between text and icons i want to bring text a little closer to the icons .The icons are vector icons ,i could have used png but i want to use vector icons how can i do that here is my code

<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
              android:fitsSystemWindows="true">

<PreferenceCategory
    android:layout="@layout/preferences_category"
    android:title="@string/settings_category_preferences">

    <PreferenceScreen
            android:divider="@null"
            android:key="settings_data"
            android:title="Backup And Encrypt"
            android:icon="@drawable/ic_vec_new_backup"/>

    <PreferenceScreen
            android:divider="@null"
            android:key="settings_interface"
            android:title="Event Design"
        android:icon="@drawable/ic_vec_note_design"/>

    <PreferenceScreen
            android:divider="@null"
            android:key="settings_navigation"
            android:title="@string/settings_screen_navigation"
        android:icon="@drawable/ic_vec_navi"/>

    <PreferenceScreen
            android:key="settings_behaviors"
            android:title="@string/settings_screen_behaviors"
            android:icon="@drawable/ic_vec_behaviour"/>

    <PreferenceScreen
            android:divider="@null"
            android:key="settings_notifications"
            android:title="@string/settings_screen_notifications"
            android:icon="@drawable/ic_vec_noti"/>


</PreferenceCategory>


<PreferenceCategory
    android:layout="@layout/preferences_category"
    android:title="@string/help">

    <Preference
            android:divider="@null"
            android:key="settings_tour_show_again"
            android:title="@string/settings_tour_show_again"
            android:icon="@drawable/ic_vec_tour"
            android:summary="@string/settings_tour_show_again_summary"/>

</PreferenceCategory>


<PreferenceCategory
    android:layout="@layout/preferences_category"
    android:title="@string/settings_category_about">

    <Preference
            android:divider="@null"
            android:title="@string/settings_statistics"
            android:icon="@drawable/ic_vec_stat">
        <intent android:targetPackage="com.lalitesh.datenoteapp"
                android:targetClass="com.lalitesh.datenoteapp.StatsActivity"/>
    </Preference>

    <Preference
            android:divider="@null"
            android:title="@string/settings_about"
        android:icon="@drawable/ic_vec_info">
        <intent android:targetPackage="com.lalitesh.datenoteapp"
                android:targetClass="com.lalitesh.datenoteapp.AboutActivity"/>
    </Preference>

</PreferenceCategory>

I want to decrease the spacing between text and icons as well as change font size to be exact or maybe if there is a way to add padding to the icon