body, form, ul, li, dl, dd { margin:0; padding:0; }
table { table-layout:fixed; border-collapse:separate; empty-cells:show; }
div, td, span { word-break: normal; word-wrap: break-word; }

body {
	font: 12px/150% Arial,helvetica,clean,"新細明體","PMingLiU",sans-serif;
	background-image: url(../images/bg.jpg);
	background-color: #a0c073;
	background-position: center top;
	background-repeat: no-repeat;
	background-attachment: scroll;
} 

#horizon {
	top: 0px;
	left: 50%; /* -height 的一半 */
	margin-left: -500px; /* -width 的一半 */
	position: absolute;
	height: 800px;
	width: 1000px;
}