fix framed top border

web/kiri/index.css

@@ -905,14 +905,6 @@ details[open] summary::after {
 .widopt button.disabled {
     background-color: var(--blue-3);
 }
-#top-sep {
-    display: none;
-    z-index: 14;
-    height: 1px;
-    min-height: 1px;
-    max-height: 1px;
-    background-image: var(--gradbar);
-}
 .line-sep2 {
     z-index: 14;
     height: 1px;

web/kiri/index.html

@@ -45,9 +45,6 @@
     <!-- hide page contents and provide loading message during initialization -->
     <div id="curtain" class="j-center a-center"><img id="loading">Kiri:Moto is Loading</div>
 
-    <!-- when running iframed, provide a separator between the menu bar and enclosing page -->
-    <div id="top-sep" class="el-app-hide"></div>
-
     <!-- top menu bar -->
     <div id="menubar" class="f-row"></div>
 

web/moto/menubar.css

@@ -8,6 +8,10 @@
     border-bottom: 1px solid var(--border-gray);
 }
 
+#menubar.top{
+    border-top: 1px solid var(--border-gray);
+}
+
 .menubar-separator {
     align-self: stretch;
     align-items: center;