Merge pull request #211 from ellisonbg/widget-area-padding

Cleaning up the padding/margin on the widget-subarea

Author: SylvainCorlay

ipywidgets/static/widgets/less/widgets.less

@@ -43,8 +43,7 @@
     .hbox();
 
     .widget-subarea {
-        padding     : 0.44em 0.4em 0.4em 1px;
-        margin-left : 6px;
+        padding     : 0.4em 0 0.4em 0;
 
         .border-box-sizing();
         .box-flex2();