<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'
             xmlns:g='urn:import:com.google.gwt.user.client.ui'
             xmlns:widget="urn:import:org.rstudio.core.client.widget">

   <ui:style>
      .outer {
         display: inline-block;
         height: 0;
         position: relative;
         overflow: visible;
      }
      .inner {
         display: inline-block;
         position: absolute;
         left: 0;
      }
   </ui:style>

   <g:HTMLPanel ui:field="outer_" styleName="{style.outer}">
      <g:FlowPanel ui:field="inner_" styleName="{style.inner}"/>
   </g:HTMLPanel>

</ui:UiBinder>