ui: improve kv mobile view

ui/index.html

@@ -136,8 +136,12 @@
       <div class="border-left hidden-xs hidden-sm">
       </div>
 
+      <div class="visible-xs visible-sm">
+        <hr>
+      </div>
+
       <div class="col-md-6 col-lg-7 border-left">
-        <div class="row padded-border">
+        <div class="padded-border">
           <div class="panel">
             <div {{ bind-attr class=":panel-bar isLoading:bg-orange:bg-light-gray" }}></div>
               <div class="panel-heading">
@@ -202,8 +206,12 @@
     <div class="border-left hidden-xs hidden-sm">
     </div>
 
+    <div class="visible-xs visible-sm">
+      <hr>
+    </div>
+
       <div class="col-md-6 col-lg-7 border-left">
-        <div class="row padded-border">
+        <div class="padded-border">
           <div class="panel">
             <div {{ bind-attr class=":panel-bar isLoading:bg-orange:bg-green" }}></div>
               <div class="panel-heading">