web mobile changes

web/html/register.page.tmpl

@@ -18,7 +18,7 @@
         {{end}}
 
         <form method="POST" action="/register">
-            <div style="display:grid; grid-template-columns:1fr 1fr; gap: 0 16px;">
+            <div class="form-row-2">
                 <div class="form-group">
                     <label class="form-label" for="name">Vollständiger Name</label>
                     <input class="form-input" type="text" id="name" name="name"
@@ -49,7 +49,7 @@
                        placeholder="••••••••" required autocomplete="new-password">
             </div>
 
-            <div style="display:grid; grid-template-columns:1fr 1fr; gap: 0 16px;">
+            <div class="form-row-2">
                 <div class="form-group">
                     <label class="form-label" for="phone_number">Telefonnummer</label>
                     <input class="form-input" type="tel" id="phone_number" name="phone_number"