Way 1 :
Visit this site, it provide the framework to manage the resolution css which matches to all systems.
<http://960.gs/>
Way 2:
Prompt the user About perfect Browser and screen resolution for your website in the page load:
protected void Page_Load(object sender, EventArgs e)
{
if (Session["Resolution_Warn"] == null)
{
ClientScript.RegisterClientScriptBlock(this.GetType(), "", "<script> if(screen.width!=1024 && screen.height!=768){alert('Site can be Best viewed on 1024x768 resolution');}</script>");
Session["Resolution_Warn"] = 1;
}
}
And at the bottom of the webpage you can write the message : Best Viewed in Mozilla FireFox
hope you get it..!