Change RadioButtonList text style in asp.net c#

How to change RadioButtonList text style programmatically
RadioButtonListTextStyle.aspx
<%@ Page Language="C#" %>

<!DOCTYPE html>

<script runat="server">
    protected void Button1_Click(object sender, System.EventArgs e)
    {
        RadioButtonList1.Font.Bold = true;
        RadioButtonList1.Font.Italic = true;
        RadioButtonList1.ForeColor = System.Drawing.Color.DarkCyan;
        RadioButtonList1.BackColor = System.Drawing.Color.LightBlue;
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>How to change RadioButtonList text style programmatically</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:Red">RadioButtonList: Change Text Style</h2>
        <asp:Label 
             ID="Label1" 
             runat="server"
             Text="asp.net Controls"
             Font-Bold="true"
             ForeColor="DarkCyan"
             >
        </asp:Label>
        <br />
        <asp:RadioButtonList 
             ID="RadioButtonList1"
             runat="server"
             >
             <asp:ListItem>AdRotator</asp:ListItem>
             <asp:ListItem>LoginView</asp:ListItem>
             <asp:ListItem>Calendar</asp:ListItem>
             <asp:ListItem>LoginStatus</asp:ListItem>
             <asp:ListItem>ImageMap</asp:ListItem>
        </asp:RadioButtonList>
        <br /><br />
        <asp:Button 
             ID="Button1" 
             runat="server"
             Text="Change Text Style"
             Font-Bold="true"
             ForeColor="DarkCyan"
             OnClick="Button1_Click"
             />
    </div>
    </form>
</body>
</html>
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