for i,v in pairs(game:GetService("Players"):GetPlayers()) do
    
NLS([[
game:GetService("Chat"):SetBubbleChatSettings({
    BackgroundColor3 = Color3.fromRGB(53, 53, 53),
    TextColor3 = Color3.new(1,1,1),
    TextSize = 20,
    Font = Enum.Font.Antique,
})
]],v.PlayerGui)