[counter text size] too big. why ?

[PaolinoAngeletti]

if i set max character = 30.. counter text is very big--

<studio.carbonylgroup.textfieldboxes.TextFieldBoxes
android:id="@+id/boxNome"
app:maxCharacters="30"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:labelText="@string/nome" >

        <studio.carbonylgroup.textfieldboxes.ExtendedEditText
            android:id="@+id/tvNome"
            style="@style/MPLabel"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </studio.carbonylgroup.textfieldboxes.TextFieldBoxes>