position all the form at center

filed/templates/index.html

@@ -2,8 +2,9 @@
 
 {% block body %}
 
-<h1>File upload</h1>
-<div style='margin:var(--margin)'>
+<div style="max-width:95vw;width:fit-content;margin:0 auto">
+    <h1 style="text-align:center">File upload</h1>
+    <div style='margin:var(--margin)'>
         <p>
             You can upload a file here <b>for free</b> to share with others for 30 minutes.<br/>
             How cool is that, eh?
@@ -62,6 +63,7 @@
                 </form>
             </div>
         </div>
+    </div>
 </div>
 
 {% endblock %}