Utilise ce code (à placer dans "Texte au dessus du design") :
<center>
</SCRIPT>
<style type="text/css">
<!--
table.edit_main_table{width: 100% !important;}
td.edit_main_tr{width: 100% !important;}
table.edit_second_table{width: 100% !important;}
td.edit_header_full{width: 100% !important;}
td.edit_header_full table{width: 100% !important;}
table.edit_third_table{width: 100% !important;}
td.edit_navi_headbg{width: 15% !important;}
table.edit_rechts_tabelle{width: 100% !important;}
td.edit_rechts_bottom{width: 15% !important;}
td.edit_rechts_cbg{width:100%;}
td.edit_header_full{width: 100% !important;
-->
</style>
<center>
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