@charset "utf-8";
#mainContent { 
	margin: 0 0 0 230px;
	padding: 0 0 20px 0; /* 請記住，欄位間隔就是 Div 方塊內部的空間，而邊界就是 Div 方塊外部的空間 */
	width: 620px;
	} 
#mainContent p {
	line-height: 200%;
	margin-left: 140px;
	font-weight: bold;
	text-indent: -70px;
	}
#mainContent h3{
	margin-bottom: 10px;
	background-image: url(../images/intro.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	height:60px;
	}
h3 span { 
	display: none;
	}
.margintop { 
	margin: 0 0 30px 150px;
	}
.margintop2 { 
	margin: 0 0 30px 550px;
	}