if( !g.okSetup ){
    login_needed();
  }
  db_begin_transaction();
  if( P("clear")!=0 ){
    db_multi_exec("DELETE FROM config WHERE name='css'");
    cgi_replace_parameter("css", zDefaultCSS);
    db_end_transaction(0);
    cgi_redirect("setup_editcss");
  }else{
    textarea_attribute(0, 0, 0, "css", "css", zDefaultCSS);
  }
  if( P("submit")!=0 ){
    db_end_transaction(0);
    cgi_redirect("setup_editcss");
  }
  style_header("Edit CSS");
  @ <form action="%s(g.zBaseURL)/setup_editcss" method="POST">
  login_insert_csrf_secret();
  @ Edit the CSS below:<br />
  textarea_attribute("", 40, 80, "css", "css", zDefaultCSS);
  @ <br />
  @ <input type="submit" name="submit" value="Apply Changes">
  @ <input type="submit" name="clear" value="Revert To Default">
  @ </form>
  @ <p><b>Note:</b> Press your browser Reload button after modifying the
  @ CSS in order to pull in the modified CSS file.</p>
  @ <hr>
  @ The default CSS is shown below for reference.  Other examples
  @ of CSS files can be seen on the <a href="setup_skin">skins page</a>.
  @ See also the <a href="setup_header">header</a> and 
  @ <a href="setup_footer">footer</a> editing screens.
  @ <blockquote><pre>
  @ %h(zDefaultCSS)

    db_bind_blob(&ins, ":bytes", &img);
    db_step(&ins);
    db_finalize(&ins);
    db_multi_exec(
       "REPLACE INTO config(name, value) VALUES('logo-mimetype',%Q)",
       zMime
    );
    db_end_transaction(0);
    cgi_redirect("setup_logo");
  }else if( P("clr")!=0 ){
    db_multi_exec(
       "DELETE FROM config WHERE name GLOB 'logo-*'"
    );
    db_end_transaction(0);
    cgi_redirect("setup_logo");
  }
  style_header("Edit Project Logo");
  @ <p>The current project logo has a MIME-Type of <b>%h(zMime)</b> and looks
  @ like this:</p>
  @ <blockquote><img src="%s(g.zTop)/logo" alt="logo"></blockquote>
  @ 
  @ <p>The logo is accessible to all users at this URL:

  @ the entry box below and then press the "Change Logo" button.</p>
  login_insert_csrf_secret();
  @ Logo Image file:
  @ <input type="file" name="im" size="60" accepts="image/*"><br>
  @ <input type="submit" name="set" value="Change Logo">
  @ <input type="submit" name="clr" value="Revert To Default">
  @ </form>
  @
  @ <p><b>Note:</b>  Your browser has probably cached the logo image, so
  @ you will probably need to press the Reload button on your browser after
  @ changing the logo to provoke your browser to reload the new logo image.
  @ </p>
  style_footer();
  db_end_transaction(0);
}