buttons/valid-xhtml10.png" alt="Valid XHTML 1.0 Strict" class="button tick_button" height="31" width="88" /> buttons/valid-css2.png" alt="Valid CSS" class="button tick_button" height="31" width="88" /> buttons/any_browser.png" alt="Viewable With Any Browser" class="button tick_button" height="31" width="88" />