/**
 * map layout: two columns of stacked boxes
 *
 * <p class="columns_prefix" />
 * <dl class="column_1">
 *  <dt><a><img></a></dt>
 *  <dd>
 *    <a><span class="box_header">some title</span></a>
 *    <br />
 *    <span class="small">some content, maybe a compact list</span>
 *  </dd>
 *  ...
 * </dl>
 * <dl class="column_2">
 *  <dt><a><img></a></dt>
 *  <dd>
 *    <a><span class="box_header">some title</span></a>
 *    <br />
 *    <span class="small">some content, maybe a compact list</span>
 *  </dd>
 *  ...
 * <p class="columns_suffix" />
 *
 * @author Bernard Paques
 * @author Alexis Raimbault
 * @reference
 * @license http://www.gnu.org/copyleft/lesser.txt GNU Lesser General Public License
 */
 .column_1,.column_2{margin:0 20px 8px 0;padding:0;float:left;width:270px}.column_1 dd,.column_2 dd{margin:0 0 1em 21px;padding:2px;text-align:left;overflow:hidden;z-index:1}.column_1 dd p,.column_1 dd ul,.column_2 dd p,.column_2 dd ul{margin-top:.2em;margin-bottom:.2em}.column_1 dd a span.box_header,.column_2 dd a span.box_header{font-weight:700}.column_1 dt,.column_2 dt{clear:left;text-align:left;border:0;margin:0;padding:2px 0 2px 0;z-index:2}.column_1 dt img,.column_2 dt img{margin:0;padding:0}.columns_prefix{clear:left;margin:0;padding:0}.columns_suffix{clear:left;margin:0;padding:0 0 2em 0}