如何去掉那一横

ie6下会有一横
但是在ff下却看不出来
该如何修改了...................!~
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title></head>
<body style=" padding:30px; margin:0px;">        <div id="scroll">
            <div style=" height:17px; width:15px; background-image:url(http://album.hi.csdn.net/app_uploads/wtcsy/20090831/145213218.p.gif);  background-position:-15px 0; margin:0px;"></div>
<div style=" height:166px; width:15px; background-image:url(http://album.hi.csdn.net/app_uploads/wtcsy/20090831/145213218.p.gif);  background-position:-30px 0"></div>
            <div style=" height:17px; width:15px; background-image:url(http://album.hi.csdn.net/app_uploads/wtcsy/20090831/145213218.p.gif);  background-position:0 0;margin:0px;"></div>
</div></body>
</html>

解决方案 »

  1.   


    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
    <title></title></head>
    <body style=" padding:30px; margin:0px;">        <div id="scroll">
                <div style="font-size:0px; height:17px; width:15px; background-image:url(http://album.hi.csdn.net/app_uploads/wtcsy/20090831/145213218.p.gif);  background-position:-15px 0; margin:0px;"></div>
                <div style="font-size:0px; height:166px; width:15px; background-image:url(http://album.hi.csdn.net/app_uploads/wtcsy/20090831/145213218.p.gif);  background-position:-30px 0;"></div>
                <div style="font-size:0px; height:17px; width:15px; background-image:url(http://album.hi.csdn.net/app_uploads/wtcsy/20090831/145213218.p.gif);  background-position:0 0;margin:0px;"></div>
            </div></body>
    </html>