Add style to Footer

src/components/organisms/Footer.svelte

@@ -8,7 +8,7 @@
 
 
 <footer class="footer">
-    <div class="container">
+    <div class="container grid">
         <SiteTitle />
 
         <nav class="footer__links">
@@ -31,8 +31,7 @@
             </ul>
         </nav>
 
-        <div class="ctf">
-            <span>A project from</span>
+        <div class="footer__ctf">
             <a href="https://cetrucflotte.com" target="_blank" rel="noopener external">
                 <img src="/images/logo-ctf.svg" alt="Cetrucflotte logo" width="140" height="24">
             </a>