Make treemenu a singleton

Change-Id: I0cb71df1f80c0f5d9f134a7fcf4563c3719d2302
diff --git a/dev/scss/main/kwic.scss b/dev/scss/main/kwic.scss
index b99057d..9927be3 100644
--- a/dev/scss/main/kwic.scss
+++ b/dev/scss/main/kwic.scss
@@ -208,11 +208,13 @@
   }
 }
 
-div.action.bottom {
+// More is defined in vc.scss
+p.ref div.action.bottom {
   display: inline-block;
   margin-right: .5em;
   > span {
     position: relative;
+    box-shadow: none;
   }
 }
 
diff --git a/dev/scss/main/matchinfo.scss b/dev/scss/main/matchinfo.scss
index 6043386..ad25a63 100644
--- a/dev/scss/main/matchinfo.scss
+++ b/dev/scss/main/matchinfo.scss
@@ -26,6 +26,10 @@
   width: $left-width / 2;
 }
 
+div.matchinfo:empty {
+  display: none !important;
+}
+
 div.matchinfo {
   position: relative;
   width: 100%;
@@ -118,13 +122,14 @@
   }
 }
 
-div.action.bottom span.tree .menu {
+ul#treeMenu {
   border-top-right-radius: 8px;
   z-index: 200;
-  position: absolute;
-  width: $left-width;
+  font-size: 10pt;
+  position: fixed;
+  // width: $left-width;
   left: 0;
-  bottom: 0;
+  // bottom: 0;
   text-align: left;
   margin: -1* $border-size;
   margin-top: 0;