How to change tabbar style (font and size and ...)

[MahdiElahi]

i want change the style of tabbar menu item font and size and color

AppShell

 <TabBar >
     <Tab Title="پروفایل" >
         <Tab.Icon>
             <FontImageSource FontFamily="MDReg" Glyph="&#xe7fd;" />
             <!-- Dog icon -->
         </Tab.Icon>
         <ShellContent ContentTemplate="{DataTemplate cart:Cart}" />
     </Tab>
     <Tab Title="سبد خرید" >
         <Tab.Icon>
             <FontImageSource FontFamily="MDReg" Glyph="&#xe8cc;" />
             <!-- Dog icon -->
         </Tab.Icon>
         <ShellContent ContentTemplate="{DataTemplate home:Home}" />
     </Tab>
     <Tab Title="کاربران">
         <Tab.Icon>
             <FontImageSource FontFamily="MDReg" Glyph="&#xe574;" />
             <!-- Dog icon -->
         </Tab.Icon>
         <ShellContent ContentTemplate="{DataTemplate views:PersonsList}" />
     </Tab>
    
     <Tab Title="خانه" >
         <Tab.Icon>
             <FontImageSource FontFamily="MDReg" Glyph="&#xe88a;"  />
             <!-- Cat icon -->
         </Tab.Icon>
         <ShellContent ContentTemplate="{DataTemplate home:Home}" />
     </Tab>


 </TabBar>

how to do it ?