add news buttons (css and construction)

footer.html

@@ -21,6 +21,9 @@
                         <img alt="Edited with vim, Improved & Free. I love my editor" src="/img/vim.gif" />
                     </a>
                     <img alt="This site is certified 100% cookie free!" src="/img/no-cookie.png" />
+                    <a href="https://jigsaw.w3.org/css-validator/validator?uri=gyiwr.tf&profile=css3svg&usermedium=all&warning=2">
+                        <img alt="Valid CSS!" src="/img/vcss.gif" />
+                    </a>
                     <a href="http://www.mabsland.com/Adoption.html">
                         <img alt="Panda - Web G" src="/img/Censor_Gc.gif" />
                     </a>
@@ -28,6 +31,7 @@
                     <a href="https://web3isgoinggreat.com/">
                         <img alt="Sat no to WEB3 - Keep the web Free" src="/img/keep.gif" />
                     </a>
+                    <img alt="Under Construction" src="/img/under_construction.png" />
                 </div>
 
                 <div>

lang/en/about.html

@@ -20,10 +20,11 @@
 
             <ul>
                 <li><a href="https://www.vim.org/buttons.php">Vim</a></li>
-                <li><a href="https://88by31.neocities.org/web.html">NFT, Paws and Cookies</a></li>
+                <li><a href="https://88by31.neocities.org/web.html">NFT, Paws, Cookies and Construction</a></li>
                 <li><a href="http://www.mabsland.com/Adoption.html">Censor Panda</a></li>
                 <li><a href="https://www.gnu.org/graphics/license-logos.html">GPL3</a></li>
                 <li><a href="https://my.fsf.org/member-benefits">FSF membership</a> (you must have a FSF account)</li>
+                <li><a href="https://www.w3.org/QA/Tools/Icons">W3C Validation (CSS)</a></li>
             </ul>
 
             <!--

lang/fr/apropos.html

@@ -20,10 +20,11 @@
 
             <ul>
                 <li><a href="https://www.vim.org/buttons.php">Vim</a></li>
-                <li><a href="https://88by31.neocities.org/web.html">NFT, Paws et Cookies</a></li>
+                <li><a href="https://88by31.neocities.org/web.html">NFT, Paws, Cookies et Construction</a></li>
                 <li><a href="http://www.mabsland.com/Adoption.html">Panda de censure</a></li>
                 <li><a href="https://www.gnu.org/graphics/license-logos.html">GPL3</a></li>
                 <li><a href="https://my.fsf.org/member-benefits">Membre de la FSF</a> (vous devez avoir un compte FSF)</li>
+                <li><a href="https://www.w3.org/QA/Tools/Icons">Validation du W3C (CSS)</a></li>
             </ul>
 
             <h2>Annuaire</h2>