Make the sidebar scale better to small sizes

modules/ui/form_fields.js

@@ -76,11 +76,16 @@ export function uiFormFields(context) {
         more.exit()
             .remove();
 
-        more = more.enter()
+        var moreEnter = more.enter()
             .append('div')
             .attr('class', 'more-fields')
-            .append('label')
-            .text(t('inspector.add_fields'))
+            .append('label');
+
+        moreEnter
+            .append('span')
+            .text(t('inspector.add_fields'));
+
+        more = moreEnter
             .merge(more);
 
 

modules/ui/sidebar.js

@@ -38,7 +38,7 @@ export function uiSidebar(context) {
 
     function sidebar(selection) {
         var container = context.container();
-        var minWidth = 280;
+        var minWidth = 240;
         var sidebarWidth;
         var containerWidth;
         var dragOffset;