StyleRule

local ReplicatedStorage = game:GetService("ReplicatedStorage")

local screenGui = script.Parent

local coreSheet = Instance.new("StyleSheet")
coreSheet.Parent = ReplicatedStorage
local styleLink = Instance.new("StyleLink")
styleLink.StyleSheet = coreSheet
styleLink.Parent = screenGui
local rule = Instance.new("StyleRule")
rule.Parent = coreSheet

-- Class selector
rule.Selector = "TextButton"

-- Set rule properties
rule:SetProperties({
	["BackgroundColor3"] = Color3.fromHex("335FFF"),
	["TextColor3"] = Color3.fromHex("E1E1E1"),
	["Size"] = UDim2.new(0.15, 0, 0, 40),
	["BorderSizePixel"] = 0,
})

local button = Instance.new("TextButton")
button.Text = "Main Menu"
button.Parent = screenGui

local CollectionService = game:GetService("CollectionService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")

local screenGui = script.Parent

local coreSheet = Instance.new("StyleSheet")
coreSheet.Parent = ReplicatedStorage
local styleLink = Instance.new("StyleLink")
styleLink.StyleSheet = coreSheet
styleLink.Parent = screenGui
local rule = Instance.new("StyleRule")
rule.Parent = coreSheet

-- Tag selector
rule.Selector = ".ButtonPrimary"

-- Set rule properties
rule:SetProperties({
	["BackgroundColor3"] = Color3.fromHex("FF0099"),
	["TextColor3"] = Color3.fromHex("E1E1E1"),
	["Size"] = UDim2.new(0.15, 0, 0, 40),
	["BorderSizePixel"] = 0,
})

local button = Instance.new("TextButton")
button.Text = "Main Menu"
button.Parent = screenGui
-- Apply tag to button
CollectionService:AddTag(button, "ButtonPrimary")

local CollectionService = game:GetService("CollectionService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")

local screenGui = script.Parent

local coreSheet = Instance.new("StyleSheet")
coreSheet.Parent = ReplicatedStorage
local styleLink = Instance.new("StyleLink")
styleLink.StyleSheet = coreSheet
styleLink.Parent = screenGui
local rule = Instance.new("StyleRule")
rule.Parent = coreSheet

-- UI component selector
rule.Selector = "Frame.RoundedCorner20::UICorner"

-- Set rule property
rule:SetProperty("CornerRadius", UDim.new(0, 20))

-- Create frame
local frame = Instance.new("Frame")
frame.Size = UDim2.new(0.4, 0, 0.2, 0)
frame.Parent = screenGui
-- Apply tag to frame
CollectionService:AddTag(frame, "RoundedCorner20")