@charset "utf-8";
#nav4 a {
              background-repeat:no-repeat;
			  background-position:top;
			  }



.maintextarea {
	margin-top: 20px;
	width: 530px;
	margin: auto;
	text-align: left;
	margin-bottom: 20px;
}
.maintextarea img {
	float: left;
}
.maintextarea .bt {
	width: 470px;
	padding-left: 7px;
	float: left;
}