$(function(){
$("table.contenttable").css('border-spacing','0');
$("table.contenttable").css('width','20em');
$("table.contenttable tr td").css('width','50%');

$("table.contenttable:eq(0) tr:even").css("background-color", "#DFE9E3");
$("table.contenttable:eq(1) tr:even").css("background-color", "#DFE9E3");
$("table.contenttable:eq(2) tr:even").css("background-color", "#DFE9E3");
$("table.contenttable:eq(3) tr:even").css("background-color", "#DFE9E3");
$("table.contenttable:eq(4) tr:even").css("background-color", "#DFE9E3");
});