static void Main(string[] args)
{
HTML html = new HTML("hello world");
html.text("hello world");
html.BR();
html.H1();
html.text("hello world");
html.h1();
html.BR();
html.H2();
html.text("hello world");
html.h2();
html.BR();
html.H3();
html.text("hello world");
html.h3();
html.BR();
html.H4();
html.text("hello world");
html.h4();
html.BR();
html.H5();
html.text("hello world");
html.h5();
html.BR();
}
