* {
margin:0;
padding:0;
}

body {

	position:relative;
    margin:0 auto;
	min-width: 1000px;
	width: 1000px;
	margin-top: 0px;  
	padding-top: 0px;
	

}

#point a{
display: block;
position: absolute;
left: 498px;
top: 400px;
width: 4px;
height: 6px;
background: url(img.png);
background-position: 46px 12px;
}
#point a:hover{
width: 273px;
height: 29px;
background-position: 0px 0px;
left: 271px;
top: 383px;
}