book number list library css

gistfile1.css

body {
  padding: 0px;
	margin: 0px;
	font-family: Arial, Helvetica, sans-serif;
}
#main {
	width: 310px;	
	border:1px solid black;
}
#content {
	width: 310px;
	margin-top: 50px;
	background-color:#CCC;
	text-align:center;
	overflow: visible;
	color:#000;
	font-weight: bold;
}
#header {
	width: 310px;
	height: 50px;
	background-color:#000;
	color: #CCC;
	position: absolute;
}
#txtNr {
	position: relative;
	width: 120px;
	float: left;
	margin-left: 10px;
	margin-top: 10px;
}
#butNr {
	position: relative;
	width: 120px;
	float: right;
	margin-right: 10px;
	margin-top: 10px;
}