Dynamic Report by pl/SQL

How to create Dynamic Report by pl/SQL and print it using browser
1- create region (pl dynamic)

and use htp.p package to write html code in pl/sql body

declare
v_dept_name varchar2(100);
v_dept_loc varchar2(100);
begin
select Dname,loc into  v_dept_name ,v_dept_loc from dept where DEPTNO=:p4_dept_no;
htp.p('<table class="table1"> ');
   htp.p(' <caption>printing with pl/sql</caption> ');
    htp.p('<tr>');
        htp.p('<th>');
        htp.p('dept name');
        htp.p('</th>');
        htp.p('<th>');
        htp.p('dept loc');
        htp.p('</th>');
        htp.p('</tr>');
    htp.p('<tr>');
            htp.p('<td>');
            htp.p(v_dept_name);
            htp.p('</td>');
            htp.p('<td>');
            htp.p(v_dept_loc);
            htp.p('</td>');
    htp.p('</tr>');
htp.p('</table>');
htp.p('
      <style>
     .table1 caption
    { margin: auto;
 color:#fff;
 background-color:gray;
    font-weight:bold;
    font-size:16px;}
          .table1
    {  margin: auto;
    width: 50%; }
    .table1 tr td
    {border:1px solid red;
      text-align:center }
         .table1 tr th
    {border:1px solid red;
    background-color:#bec0c4;}   
    </style>
   
 ');
end;