Optimize template layout

templates/dhcp/static_leases.php

@@ -1,7 +1,12 @@
 <!-- static leases tab -->
 <div class="tab-pane fade" id="static-leases">
+  <div class="row">
+    <div class="col-md-12">
       <h4 class="mt-3 mb-3"><?php echo _("Static leases") ?></h4>
-
+      <p id="static-lease-description">
+        <small><?php echo _("Clients with a particular hardware MAC address can always be allocated the same IP address.") ?></small>
+        <small class="text-muted"><?php echo _("This option adds <code>dhcp-host</code> entries to the dnsmasq configuration.") ?></small>
+      </p>
       <div class="dhcp-static-leases js-dhcp-static-lease-container">
         <?php foreach ($hosts as $host) : ?>
           <?php list($mac, $ip) = array_map("trim", explode(",", $host)); ?>
@@ -19,15 +24,6 @@
         <?php endforeach ?>
       </div>
 
-  <h5 class="mt-3 mb-3"><?php echo _("Add static DHCP lease") ?></h5>
-   <div class="row">
-    <div class="col-md-6">
-      <p id="static-lease-description">
-        <small><?php echo _("Clients with a particular hardware MAC address can always be allocated the same IP address.") ?></small>
-        <small class="text-muted"><?php echo _("This option adds <code>dhcp-host</code> entries to the dnsmasq configuration.") ?></small>
-      </p>
-    </div>
-  </div>
       <div class="row dhcp-static-lease-row js-new-dhcp-static-lease">
         <div class="col-md-5 col-xs-5">
           <input type="text" name="mac" value="" placeholder="<?php echo _("MAC address") ?>" class="form-control" autofocus="autofocus">
@@ -41,8 +37,6 @@
       </div>
 
       <h5 class="mt-3 mb-3"><?php echo _("Restrict access") ?></h5>
-    <div class="row">
-      <div class="col-md-6">
         <div class="input-group">
           <input type="hidden" name="dhcp-ignore" value="0">
             <div class="custom-control custom-switch">
@@ -70,5 +64,6 @@
         </div>
       </div>
     </template>
+
 </div><!-- /.tab-pane -->