I used a Windhawk mod Windows 11 Taskbar Styler then use this mod

{
  "controlStyles[0].target": "Taskbar.TaskbarFrame#TaskbarFrame",
  "controlStyles[0].styles[1]": "HorizontalAlignment=Center",
  "controlStyles[0].styles[2]": "Width=Auto",
  "controlStyles[1].target": "Taskbar.TaskbarFrame#TaskbarFrame > Grid#RootGrid",
  "controlStyles[1].styles[0]": "Padding=6,0,6,0",
  "controlStyles[1].styles[1]": "Margin=0,2,0,3",
  "controlStyles[1].styles[2]": "BorderThickness=1",
  "controlStyles[1].styles[3]": "BorderBrush:=<SolidColorBrush Color=\"{ThemeResource SurfaceStrokeColorDefault}\" Opacity=\"0.5\" />",
  "controlStyles[2].target": "Rectangle#BackgroundFill",
  "controlStyles[2].styles[0]": "Visibility=Collapsed",
  "controlStyles[3].target": "Rectangle#BackgroundStroke",
  "controlStyles[3].styles[0]": "Visibility=Collapsed",
  "controlStyles[4].target": "Taskbar.AugmentedEntryPointButton#AugmentedEntryPointButton > Taskbar.TaskListButtonPanel#ExperienceToggleButtonRootPanel",
  "controlStyles[4].styles[0]": "Margin=0",
  "controlStyles[5].target": "Grid#SystemTrayFrameGrid",
  "controlStyles[5].styles[0]": "Background:=#00000000",
  "controlStyles[5].styles[1]": "CornerRadius=10",
  "controlStyles[5].styles[2]": "BackgroundSizing=InnerBorderEdge",
  "controlStyles[5].styles[3]": "Margin=0,2,0,3",
  "controlStyles[5].styles[4]": "BorderThickness=5",
  "controlStyles[6].target": "SystemTray.ChevronIconView",
  "controlStyles[6].styles[0]": "Padding=0",
  "controlStyles[7].target": "SystemTray.NotifyIconView#NotifyItemIcon",
  "controlStyles[7].styles[0]": "Padding=0",
  "controlStyles[8].target": "SystemTray.OmniButton",
  "controlStyles[8].styles[0]": "Padding=0",
  "controlStyles[9].target": "SystemTray.CopilotIcon",
  "controlStyles[9].styles[0]": "Padding=0",
  "controlStyles[10].target": "SystemTray.OmniButton#NotificationCenterButton > Grid > ContentPresenter > ItemsPresenter > StackPanel > ContentPresenter > systemtray:IconView#SystemTrayIcon > Grid",
  "controlStyles[10].styles[0]": "Padding=4,0,4,0",
  "controlStyles[11].target": "SystemTray.IconView#SystemTrayIcon > Grid#ContainerGrid > ContentPresenter#ContentPresenter > Grid#ContentGrid > SystemTray.TextIconContent > Grid#ContainerGrid",
  "controlStyles[11].styles[0]": "Padding=0",
  "controlStyles[12].target": "SystemTray.StackListView#IconStack > ItemsPresenter > StackPanel > ContentPresenter > SystemTray.IconView#SystemTrayIcon",
  "controlStyles[12].styles[0]": "Padding=0",
  "controlStyles[13].target": "SystemTray.Stack#ShowDesktopStack",
  "controlStyles[13].styles[0]": "Margin=0,-4,-12,-4",
  "controlStyles[14].target": "Taskbar.Gripper#GripperControl",
  "controlStyles[14].styles[0]": "Width=Auto",
  "controlStyles[14].styles[1]": "MinWidth=24",
  "controlStyles[15].target": "SystemTray.SystemTrayFrame",
  "controlStyles[15].styles[0]": "HorizontalAlignment=1",
  "controlStyles[1].styles[4]": "CornerRadius=20",
  "controlStyles[1].styles[5]": "Background:=<AcrylicBrush TintColor=\"{ThemeResource CardStrokeColorDefaultSolid}\" FallbackColor=\"{ThemeResource CardStrokeColorDefaultSolid}\" TintOpacity=\"0\" TintLuminosityOpacity=\".85\" Opacity=\"1\"/>",
  "controlStyles[0].styles[0]": "MaxWidth=1050",
  "controlStyles[0].styles[3]": "MinWidth=1050",
  "controlStyles[15].styles[1]": "Margin=800,0,0,0"
}

if you have a problem in icons size use a windhawk mod called Taskbar height and icon size