samples/mail/src/com/google/gwt/sample/mail/client/MailDetail.ui.xml

<ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder'
  xmlns:g='urn:import:com.google.gwt.user.client.ui'
  xmlns:mail='urn:import:com.google.gwt.sample.mail.client'>

  <ui:style>
  .detail {
    border: 1px solid #666;
    background-color: white;
  }

  .header {
    background: #eee;
    border-bottom: 1px solid #666;
    padding: 0.5em;
  }

  .headerItem {
    margin-bottom: 0.5em;
  }

  .body {
    line-height: 150%;
    padding: 20px 40px 20px 10px;
    font-family: "Times New Roman",Times,serif;
  }

  </ui:style>

  <g:DockLayoutPanel unit='EM' styleName='{style.detail}'>
    <g:north size='6'>
      <g:HTMLPanel styleName='{style.header}'>
        <div class='{style.headerItem}' ui:field='subject'/>
        <div class='{style.headerItem}'><b>From:</b> <span ui:field='sender'/></div>
        <div class='{style.headerItem}'><b>To:</b> <span ui:field='recipient'/></div>
      </g:HTMLPanel>
    </g:north>

    <g:center>
      <g:ScrollPanel>
        <g:HTML styleName='{style.body}' ui:field='body' wordWrap='true'/>
      </g:ScrollPanel>
    </g:center>
  </g:DockLayoutPanel>

</ui:UiBinder>