document.write("<style type=\"text/css\">");
document.write("ul.sample      { font-size : medium ; }");
document.write(".xx-small { font-size : xx-small ; }");
document.write(".x-small  { font-size : x-small ; }");
document.write(".small    { font-size : small ; }");
document.write(".large    { font-size : large ; }");
document.write(".x-large  { font-size : x-large ; }");
document.write(".xx-large { font-size : xx-large ; }");
document.write(".larger   { font-size : larger ; }");
document.write(".smaller  { font-size : smaller ; }");
document.write("ul.sample li  { margin :10px 0 ; }");
document.write("</style>");
document.write("<ul class=\"sample\">");
document.write("<li>medium（標準）</li>");
document.write("<li class=\"xx-small\">xx-small（超極小）</li>");
document.write("<li class=\"x-small\">x-small（極小）</li>");
document.write("<li class=\"small\">small（小）</li>");
document.write("<li class=\"large\">large（大）</li>");
document.write("<li class=\"x-large\">x-large（特大）</li>");
document.write("<li class=\"xx-large\">xx-large（超特大）</li>");
document.write("<li class=\"larger\">larger（large相当）</li>");
document.write("<li class=\"smaller\">smaller（small相当）</li>");
document.write("</ul>");