[spencer] update styles

fix ul
fix flex rules for firefox layout

src/kibana/components/vislib/styles/_legend.less

@@ -1,8 +1,6 @@
 .legend-col-wrapper {
-  .flex(0 1 auto);
+  .flex-parent(0, 0, auto);
   z-index: 10;
-  overflow-x: hidden;
-  overflow-y: auto;
   min-height: 0;
 
   .legend-toggle {
@@ -26,11 +24,13 @@
   }
 
   .legend-ul {
+    .flex(1, 1, 1px);
+    overflow-x: hidden;
+    overflow-y: auto;
+
     list-style-type: none;
     padding: 0;
     visibility: visible;
-    .display(flex);
-    .flex-direction(column);
     min-height: 0;
     min-width: 60px;
     margin-right: 5px;
@@ -44,7 +44,6 @@
       color: #666;
       cursor: default;
       text-align: left;
-      .flex-grow(2);
       white-space: nowrap;
       overflow-x: hidden;
       text-overflow: ellipsis;

src/kibana/plugins/markdown_vis/markdown_vis.less

@@ -10,20 +10,6 @@
 
   &.vis-type-markdown {
 
-    .vis-editor-config {
-      .flex-parent();
-
-      > ul {
-        .flex-parent();
-        .flex(1, 1, auto);
-
-        li {
-          .flex-parent();
-          .flex(1, 1, auto);
-        }
-      }
-    }
-
     .visualization-options {
       .flex-parent();
       .flex(1, 1, auto);
@@ -42,4 +28,4 @@
 
   }
 
-}
+}

src/kibana/plugins/visualize/editor/styles/editor.less

@@ -91,8 +91,8 @@
         .flex-parent(1, 1, auto);
 
         > div.vis-editor-config {
-          .flex(1, 1, auto);
-          overflow-y: auto;
+          .flex-parent(1, 1, 1px);
+          overflow: auto;
         }
 
         > .vis-edit-sidebar-buttons {
@@ -157,7 +157,7 @@
     }
 
     &-group {
-      .flex-parent();
+      .flex-parent(0, 1, auto);
       color: @text-color;
     }
 
@@ -298,6 +298,10 @@
     }
   }
 
+  vis-editor-agg-group {
+    .flex-parent(0, 1, auto);
+  }
+
   &-canvas {
     .flex(1, 0, @screen-md-min - @vis-editor-sidebar-basis);
     .display(flex);
@@ -337,7 +341,8 @@ vis-editor-agg-group,
 vis-editor-agg,
 vis-editor-agg-params,
 vis-editor-agg-param,
-vis-editor-vis-options {
+vis-editor-vis-options,
+vis-editor-vis-options > * {
   .flex-parent();
 }